|b[The_Equatorie_of_the_Planetis,_from_Peterhouse_MS._75.I,
|b_ed._Derek_J._Price,_Cambridge:_CUP,_1955,_pp._18-44.]



|p18


 |r1_[f.71v] In the name of god pitos & merciable seide [leyk]=e= the largere č=t= thow makest
 |r2 this ł instrument / the largere ben thi chef deuisiouns / the largere č=t= ben tho
 |r3 deuisiouns / ł in hem may ben mo smale fracciouns / & euere the mo of smale
 |r4 fracciouns ł the ner the trowthe of thy conclusiouns / tak ther fore a plate of
 |r5 metal or elles ł a bord č=t= be smothe shaue / by leuel / & euene polised ! of which
 |r6 whan it is ł rownd (^by compas) / the hole diametre shal contene .72. large
 |r7 enches or elles .6. fote of ł mesure / the whiche rownde bord for it shal nat
 |r8 werpe ne krooke / the egge of ł (^the) circumference shal be bownde w=t= a plate
 |r9 of yren in maner of a karte whel. / ł ! this bord yif the likith may be vernissed
|r10 or elles glewed w=t= perchemyn for ł honestyte ! tak thanne a cercle of metal
|r11 č=t= be .2. enche of brede / & č=t= the hole ł dyametre (^w=t= in this cercle shal)
     contene [the forseide]=c= .68. enches / or .5 fote (& .8. enches) / & subtili lat
|r12 this cercle ł be nayled vp on the circumference of this bord or ellis mak this
|r13 cercle of ł glewed perchemyn. / this cercle wole I clepe the lymbe of myn
|r14 equatorie ł č=t= was compowned the yer of crist .1392. complet the laste meridie
|r15 of decembre ł ! this lymbe shaltow deuyde in 4 quarters by .2. diametral
|r16 lynes in maner of ł the lymbe of a comune astrelabye & lok thy croys be trewe
|r17 proued by ł geometrical conclusioun / tak thanne a large compas č=t= be trewe
|r18 & set the ffyx ł point ouer the middel of the bord (^on) which middel shal be
|r19 nayled a plate of ł metal rownd ! the hole diametre of this plate shal contiene
|r20 .16. enches large ł for in this plate shollen ben perced alle the centris of this
|r21 equatorie / & ek in ł proces of tyme may this plate be turned a bowte after č=t=
|r22 auges of planetes ł ben moeued in the .9. spere thus may thin instrument laste
|r23 perpetuel. ! tak thanne ł as I haue seid by forn the fix fot of thy compas & set
|r24 it in the middel of ł this plate & w=t= the moeuable point of thi compas descriue
|r25 a cercle in the ł ferthest circumference of thy lymbe ! & nota č=t= the middel
|r26 poynt of this plate ł wher as the fix fot of thy compas stondith / wole I calle
|r27 centre .aryn. / mak ł thanne a narwer cercle č=t= be descriued vp on the same
|r28 centre aryn but ł litel quantite fro the forthest forseid cercle in the lymbe in
|r29 whiche space ł shollen ben deuyde mynutes ofthe lymbe/ mak thanne a narwere
|r30 cercle som ł what ferther distaunt fro the laste seid cercle / in which shal be
|r31 deuyded the ł degres of the same lymbe mak yit a narwere cercle som what
|r32 ferthere ł distaunt fro this laste seid cercle in which shal ben writen the
     nombres of



|p20


 |r1_[f.72r] degres / mak yit anarwere cercle som what ferther distaunt fro this laste
 |r2 seid ł cercle in which shollen ben writen the names of 12 signes / & nota č=t=
 |r3 this laste ł seid cercle wole I calle the closere of the signes / now hastow .5.
 |r4 cercles ł in thy lymbe / & alle ben descriued vp on centre aryn / and euerich
 |r5 of the ł .4. quarters in thi lymbe shal ben deuided in 90 degres č=t= is to sein
 |r6 .3. signes ł & eueri degre shal be deuided in 60 mi=a= ! & shortly thi lymbe is
 |r7 deuided ł in maner of the lymbe in the bakside of an astrelabie / deuyde
 |r8 thanne thilke ł lyne č=t= goth fro centre aryn vn to the cercle closere of the
 |r9 sygnes (versus finem geminorum) in 32 ł parties equales. whiche parties ben
|r10 (^cleped) degres of the semydiametre / marke thise ł parties dymli (ut
     postea deleantur) ! and nota č=t= this diametral lyne deuided in 32 parties
|r11 shal be ł cleped lyne alhudda / set thanne the fix point of thy compas vp on
|r12 the ende ł of the firste deuysioun fro centre aryn in lyne alhudda / & the
|r13 moeuable ł point vp on the ende of the 30 deuisioun fro the fix poynt of thi
|r14 compas in ł the same lyne / so dwelleth ther but .1. deuisioun by twixe thy
|r15 moeuable ł point & the closere of the signes / & .1. deuysioun bi twixe thy
|r16 fix poynt ł & the centre aryn / & descryue thus a cercle / & tak ther the
|r17 eccentrik ł cercle of the sonne / scrape thanne awey the deuysiouns of lyne
|r18 alhudda ! ł ! deuyde yit (^dymly oculte) the same lyne alhudda fro centre
|r19 aryn / vn to the closere ł of the signes in 60 parties equales / set thanne the
|r20 fix poynt of thy ł compas in centre aryn / & the moeuable point in .12. degres
|r21 & 28 mi=a= of lyne ł alhudda & descriue a cercle / & č=t= is the centre defferent
|r22 of the mone / ł perce thanne (al) the circumference of this defferent in 360
|r23 subtil holes equales ł of space & thise spaces by twixe the holes / ben deuyded
|r24 owt of the ł degres of the lymbe ! & nota č=t= the yer of crist 1392 (^complet
|r25 [- vltimo .10.bre in meridie london]=e=) the aux of saturnus ł was the (^last)
|r26 meridie of decembre at londone I seye the aux of saturne in the ł .9. spere
|r27 was .4. dowble signes 12 g=a= 7 mi=a= .3. 2=a= & cetera / the remenaunt of ł auges sek
|r28 hem in the table of auges folwynge / tak thanne a Rewle ł & ley č=t= on ende
|r29 in centre aryn / & č=t= other ende in the lymbe / in the ende ł of the minut wher
|r30 as endith the aux of the planete / & draw ther a lyne ł w=t= a sharp instrument
|r31 fro centre aryn vn to the closere of the signes / & ł no ferthere for empeiryng
|r32 of the lymbe & fasteby this lyne writ the ł name of the planete (cuius est aux)
|r33 this rewle is general for alle planetis / sek thanne ł in thi table of centris / the
|r34 distaunce of the centre equant of saturne ł fro centre aryn which is .6. g=a=
|r35 50 mi=a= / set thanne the fix point of thy ł compas in centre arin / & the moeuable
|r36 poynt in 6 g=a= & 50 mi=a= in lyne ł alhudda fro centre aryn ! turne than softely
|r37 thy compas abowte. til č=t= the ł moeuable poynt [til it]=c= towche the lyne of the
     aux of saturne &



|p22


 |r1_[f.72v] stondinge alwey (^stille) the fix poynt of thy compas in centre aryn / marke
 |r2 w=t= thy moeuable poynt ł in the lyne of the aux of saturnus a dep prikke / for
 |r3 in č=t= prikke shal be perced a smal hole ł for the centre equant of saturnus / &
 |r4 faste by this hole mak an E in signefyeng of equant // ł ! thanne tak awey thy
 |r5 compas / & loke in thi table of centris / the distaunce of the centre ł defferent
     of saturnus / & č=t= is .3. g=a= & 25 mi=a= / set (a centre aryn) thanne the fix point
 |r6 of thy compas in ł centre aryn & thy moeuable point in .3. g=a= & 25 mi=a= in
 |r7 lyne alhudda / & torne softely ł thi compas til č=t= the moeuable point towche
 |r8 the (^forseide) lyne of the aux of saturne / & stonding ł stille thy fix poynt
 |r9 of thi compas in centre aryn / marke w=t= the moeuable poynt in ł the lyne of
|r10 the aux of saturne a dep prikke for ther in shal be perced a smal hole ł for
|r11 the centre defferent of saturnus/ & fasteby this hole mak an .D. for defferent ł ! &
|r12 nota č=t= by this ensample of saturnus shaltow make the centres defferentes/ & ł ek
     the equantes of alle the planetis / after hir distaunces (in tabulis) fro centre
|r13 aryn ł & prikke hem in the lynes of hir auges ! thanne shaltow sette the fix
|r14 point ł of thy compas in the lyne of the aux of mercurie euene by twixe the
|r15 centre .E. ł & centre .D. of mercurius / & strid the moeuable poynt til it wole
|r16 towche bothe ł centre E & ek centre .D. of mercurius / & descryue ther a litel
|r17 cercle & thanne ł shaltow se č=t= the lyne of the aux of mercurie departith this
|r18 litel cercle in ł.2. arkes equals / this is to seye / č=t= the lyne kerueth this litel
|r19 cercle euene ł amidde / this litel cercle shal be perced ful of smale holes (in
|r20 circumferencia circuli) by euene proporcioun ł as is the centre defferent of the
|r21 mone in 360 holes yif it be possible or in ł .180. or in 90 atte leste / but sothly
|r22 the spaces by twixe the holes (ne) shal nat ł be deuided owt of the grete lymbe
|r23 of the instrument / as is the centre defferent ł of the mone / but owt of the
|r24 circumference of the same litel cercle it shal be ł deuided by thy compas ! scrape
|r25 thanne awey thilke 60 deuysiouns in lyne alhudda ł ! & yit deuyde the same
|r26 lyne alhudda in .5. parties equales (by compas) fro centre aryn vn ł to the
|r27 cercle č=t= is closere of the signes / & euerych of thilke .5. parties shal be łdeuided
|r28 in 60 parties / thise diuisiouns ne shal nat ben scraped awey / deuyde ł thanne
|r29 the line č=t= goth fro centre aryn to the hed of capricone which lyne ł is cleped
|r30 in the tretis of the astrelabie the midnyht line / I seye deuyde this ł midnyht
|r31 lyne in .9. parties equals fro centre aryn (vn) to the closere of the ł signes / &
|r32 euerich of thise deuysiouns shal be deuided by thy compas in 60 parties ł equales !
|r33 thise deuysiouns ne shal nat be scraped awey ! laus deo vero ł now hastow the
|r34 visage of this precios equatorie / nota č=t= thise last seid .9. diuisiouns ł in the
     midnyht lyne shollen seruen for Equacioun of the 8=e= spere



|p24


 |r1_[f.73r] {n}ow for the composicioun of the Epicicle for the visage of thyn equatorie / thow
 |r2 shalt ł make a cercle of metal of the same brede & of the same widnesse in
 |r3 circumłference in diametre / & in alle thinges lik to the lymbe of thin
 |r4 instrument ł & in the same manere shal it be deuyded in mynutis. in degres
 |r5 in nombres ł in names of signes / & in 5 cercles compased / as is the firste seid
 |ra lymbe / saue č=t= .a. // ł // .b. the eccentrik of the sonne / ne shal nat be
 |rb in the epicicle & also ł č=t= it be nat filed to ney to the closere of his signes list
 |rc thow perce the hole (foramen) ł of thi commune centre defferent amys / or elles
 |r6 list the hole breke ł [ č=t=]=c= / this epicicle mot haue suffisaunt thikkenesse to
 |r7 sustene hym self ł ! Tak thanne this epicicle & ley it (^sadly & ) euene vp on
 |r8 the visage of thin equatorie ł so č=t= (capud) aries of thin epicle lie euene vp on
 |r9 the hed of aries in the lymbe ł of thin equatorie / & libra vp on libra & cancer
|r10 vp on cancer & capricorne vp ł on capricorne & (^euery) signe vp on signe
|r11 this is to seyn the hed of euery signe ł vp on hed of euery signe / tak thanne
|r12 a Renspyndle or a boydekyn / & in ł direct of the hed of cancer. (thow shalt)
|r13 in the cercle č=t= is closere of the signes (perce) make a ł litel hole thorw the
|r14 epicicle / & thanne shaltow se (č=t=) yif thow haue trewely compased ł thy cercles /
|r15 č=t= the poynt of thy renspindle shal haue towched the closere ł of the signes
|r16 in direct of the hed of cancer in thyn equatorie / thisłlitel hole č=t= is no gettere
|r17 than a smal nedle shal be cleped the comune ł centre defferent of planetes / tak
|r18 thanne a barre of metal of the brede ofł a large enche & of suffisaunt thyknesse /
|r19 (of) the whiche barre č=t= on ende ł shal be sowded to the closere of (^the)
|r20 signes in direct of aries in this epicicle ł & č=t= other ende shal be sowded to the
|r21 closere of the signes in direct of libra ł in the same epicicle / draw thanne by
|r22 thi rewle a lyne fro the hed of aries ł to the hed of libra endelong the barre / &
|r23 draw swich another lyne (^ouerthwart) [in]=c= ł the barre fro the hed of cancer
|r24 to the hed of capricorne / & in the seccioun ł of this crois is the centre of the
|r25 epicicle / tak thanne a rewle of latoun ł that (ne) be nat ful thykke / & lat it
|r26 be the brede of an enche & the lengthe shal ł be as long as al hol the diametre
|r27 of the Epicicle this rewle mot be ł shape in maner of a label on an astrelabie !
|r28 the centre of this rewle ł shal be nayled to the centre of the forseide barre in
|r29 swich a manere ł č=t= this label may torne abowte as doth the label of an
|r30 astrelabie / in ł middes of this nayl č=t= fastnyth the barre & the label to gidere
|r31 ther mot ł be a smal prikke č=t= be dep / which prikke (id est punctus) is the
|r32 centre of thin epicicle ł ! tak thanne by thy large compas the distaunce by twixe
|r33 centre aryn & the ł closere of the signes / which distaunce is the lengthe of lyne
|r34 alhudda ł ! & be it on a long rewle or elles be it on a long percemyn / marke
|r35 w=t= thy ł compas the forseide distaunce / & deuyde it in 60 parties equals & than
|r36 hastow ł a newe lyne alhudda / sek thanne in thy table of centres / the
|r37 semydiametre ł of the epicicle of saturnus / & č=t= is .6. g=a= & 30 mi=a= of swiche
|r38 degres as ben ł 60 in line alhudda / tak thanne w=t= thy compas the space of
|r39 .6. g=a= & 30 mi=a=. ł of lyne alhudda / & set the fix point of thy compas in the
     centre of thin



|p26


 |r1_[f.73v] Epicicle č=t= is the poynt (punctus) in the hed of the nail / & endelong the label
 |r2 set the ł moeuable poynt of thi compas & w=t= č=t= moeuable poynt mak a marke
 |r3 astrik in the ł label & fasteby the strik writ .sa. for saturne / this ensample of
 |r4 saturne ł techith how to maken in the label alle the semydiametres of Epicicles ł
 |r5 of alle the planetis / nota č=t= the sonne (ne) hath non epicicle ! & nota č=t=
 |r6,|r7 alwey ł as the label turnyth/ so shewith it the epicicle ofeuery planete/ laus ł deo
 |r8 vero now hastow complet thyn equatorie w=t= alle hise membris ł ! and nota č=t=
     eccentrik of the sonne shal nat be compassed in this epicicle / Explicit ł
 |r9 the face of the equatorie
           |r10  nota č=t= euery centre mot ben also smal
           |r11 as a nedle / & in euery equant mot
           |r12 be a silk thred
           |r13  nota č=t= the eccentrik of the sonne is
           |r14 compaced on the bord of the instrument
           |r15 & nat on the lymbe for sparing
           |r16 of metal /  nota shortly č=t= but so be
           |r17 č=t= bothe the closeres of the signes
           |r18 ben precisly ilike of widnesse / &
           |r19 but so be č=t= centre aryn stonde precise
           |r20 as fer fro his closere of the signes as
           |r21 the centre of thin epicicle stondith fro
           |r22 the comune centre defferent precise / thyn
           |r23 epicicle is fals / but natheles
           |r24 yif thow myshappe in this
           |r25 cas i shal teche the aremedie
           |r26 ! knokke thi centre defferent
           |r27 innere or owtre til it stonde
           |r28 precise vp on the closere of the
           |r29 signes in the lymbe of thin
           |r30 equatorie / so wole thanne the
           |r31 centre of thin epicicle precise
           |r32 stonde vp on centre aryn
|r33 the sixte
|r34 cercle is the                   |r52 the prikkes in the lynes
|r35 eccentric of the sonne          |r53 ben the centris equantis &
|r36 & the .5. cercle č=t= is red    |r54 defferentis / & alle thise
|r37 is the closere of the signes    |r55 centres saue the equant
|r38 & the seccioun of the crois     |r56 of mars ben by twixe
|r39 is centre aryn ! & č=t= other   |r57 centre aryn & the centre
|r40 centre is the centre of the     |r58 defferent of the mone
|r41 eccentrik of the sonne          |r59 the owterest space is mynutis
|r42 ! & the lyne deuyded in .9.     |r60 & the nexte space is degres
|r43 is the midnyht lyne I           |r61 & the thridde space is nombres
|r44 wot wel it is figured           |r62 of degres & the ferthe space is
|r45 boistosly / & the cercle        |r63 for names of signes but
|r46 abowte centre aryn is           |r64 natheless the narwere cercle
|r47 the centre defferent of the     |r65 of the signes is cleped the
|r48 mone / the litel cercle         |r66 closere of the signes / & it is
|r49 is the defferent of mercurie // |r67 compased with red
|r50 ! the smale lynes ben lynes
|r51 of auges



|p28


 |r1_[f.74r] the epicicle     nota file nat to ney the rede cercle č=t= is closere of
                   |r2 the signes / list the commune centre defferent breke
                   |r3 lat stonde a litel lippe as shewith in direct of
                   |r4 the hed of cancer
                   |r5 nota I conseile the ne write no names of signes (id est in epiciclo)
                   |r6 til č=t= thow hast proued (^č=t=) thi comune
                   |r7 centre defferent is treweli & justli set
                   |r8 in direct of the closere of the signes
                   |r9 of thin equatorie
|r10 ! this
|r11 epicicle
|r12 is deuyded
|r13 & compased in
|r14 alle thinges
|r15 lik to the lymbe of the equatorie
|r16 ! but it hath non
|r17 eccentrik of the
|r18 sonne / the prikke
|r19 č=t= stant in the
|r20 closere of the
|r21 signes in direct
|r22 of the ende of
|r23 geminis is the
|r24 commune centre
|r25 defferent ----
|r26 ! but natheless thus lith thin
|r27 instrument whan thow makest
|r28 equacioun of thy mone



|p30


 |rd_[f.75r] pro argumentis trium superiorum minue eorum med' mot de med' mot solis / &
 |re,|r1 remanet argumentum ł [satur .io. & martis & vener]=e= ł {s}ek medius motus of
 |r2 saturnus Juppiter mars & venus / & hir mene argułmentis in thy tables / & writ
 |r3 hem in thy sklat / put thanne a ł blak thred in centre aryn (terre) & a whit
 |r4 thred in centre equant of ł any planete č=t= the list haue of equacion. // and put
 |r5,|r6 the comune ł centre defferent of thyn Epicicle / vp on the centre different ł in
 |r7 thy plate / of thilke planete č=t= thow desirest to haue equacioun ł I sey č=t= w=t=
 |r8 a nedle thow shalt stike the comune centre deffełrent of thin Epicicle / vp
 |r9 on the centre defferent č=t= is perced ł on thy plate for swich a planete a the list
|r10 to haue of equacoun ł ! loke thanne (pro successione signorum) fro the hed of
|r11 aries wher the mene motus of thy planete ł endith / in the grete lymbe of thy
|r12 plate / & ley ther thy blake thred. ł ! ley thanne thy white thred equedistant
|r13 by the blake thred in ł the same lymbe. & proeue by a compas č=t= thy thredes
|r14 lyen equedistant // ł vnder whiche white thred ley the pool of thyn Epicicle ! &
|r15,|r16 stond=łinge thyn Epicicle stille in this maner / I seye stondinge ł the pool of
|r17 thin epicicle vndir thy white thred stille / & the ł commune centre different
|r18 fix w=t= thy nedle to the foreseide centre ł defferent of the planete desired / tak
|r19 than thy blake thred ł & ley it so č=t= it kerue the centre of the Epicicle / &
|r20,|r21 streche ł forth vp vn to vpperest part of the same epicicle / and ł than shal this
|r22 blake thred shewe bothe the verrey motus (locum) ł of the epicicle in the grete
|r23 lymbe / & ek the verrey aux of ł the planete in the epicicle / & thanne the ark
|r24 by twixe medios ł motus of the planete / & the verrey motus of the epicicle / is ł
|r25,|r26 cleped the equacion of his centre in the lymbe (zodiacus) // to whom ł is lik
|r27 the equacion of his argument in his epicicle. // ł č=t= is to sein the ark by twixe
|r28 his mene aux & his verrey ł aux. ! for sothly the mene aux is shewed in the
|r29,|r30 Epiłcle by the white thred / vnder which thow puttest the ł pol of the
|r31 epicicle // & the verrey aux is shewed in the ł epicicle by the blake thred ! &
|r32 stondinge stille thin Epiłcicle in this same disposicioun / ley the ende of thy
|r33,|r34 label ł č=t= is grauen // fro the white thred as many signes ł degres & mi=a=. as
|r35 shewith the mene argument in thy ł [grene]=c= tables for č=t= day of thy planete
|r36,|r37 desired ! & rekne ł this mene argument fro the white thred after sucłcessioun
 |rf of signes of euery planete saue only of the mone ł [sa 1 31 19 22 44]=e=



|p32


 |r1,|r2_[f.75v] ! & ligginge the marked ende of thy label vpon [the] ł the ende of this mene
 |r3 argument in the epicicle / ley ł thy blake thred vp on the marke of thy planete
 |r4,|r5 č=t= is ł grauen in thi label. & wher as the same blake ł thred keruyth the lymbe
 |r6 of thy plate tak ther ł the verrey place (locum) of the planete in the .9. spere ł
 |r7,|r8 ! and the ark by twixe the verrey place (locum) of the ł planete (in limbo)
 |r9 & the verrey place of the epicicle considered in ł the lymbe is cleped equacioun
|r10 of his argument this maner ł of equacioun is for saturnus Juppiter mars &
|r11,|r12 venus / but ł in the remenaunt of planetes in some thinges it varieth ł sol ! the
|r13 mene motus of the sonne ben rekned fro the hed of aries ł after successioun of
|r14 signes ! the sonne hath non Epicicle ne non ł Equant & therfor the pol of the
|r15 epicicle mot ben in stide of the ł body of the sonne in the .9. spere ! the white
|r16 thred č=t= thow puttest ł in his centre defferent in the plate (lamina) // mot ben
|r17 in stide of the white ł thred č=t= othre planetes han in hir centres equantis ! the
|r18 blake thred ł č=t= euermo stant in centre aryn / mot be leid at the ende of his ł
|r19,|r20 mene motus ! tak thanne his white thred & lei it equedistant ł in the lymbe
|r21 by the blake thred ! whiche blake thred shewith the ł mene motus of the
|r22 sonne ! fixe thanne w=t= thy nedle the commune ł centre defferent of thyn
|r23 Epicicle to centre aryn. & remew nat thy (nedle) ł ! & vnder this white thred ley
|r24 softely the pol of the Epicicle ł & wher as the white thred keruyth the grete lymbe
|r25,|r26 tak therł [ther] the verrey place of the sonne in the .9. spere / the ark ł of the
|r27 lymbe by twixe his aux č=t= is now in cancer. & the blake ł thred is the argument
|r28 of the sonne ! the ark by twixe the ł blake thred & the white in the lymbe is
|r29 the equacion of the ł sonne / which ark nis but litel. / the mene motus of the
|r30,|r31 sonne ł is the ark in the lymbe by twixe the hed of aries & the blake ł thred in
|r32 the same lymbe ! the verrey motus of the sonne is ł the ark of the lymbe by
|r33 twixe the hed of aries & the blake ł thred whan it (id est filum) is remewed fro
|r34 the mene motus & crossith the ł white thred in the in the pol ofthe Epicicle ! the
|r35 same ł verrey motus was shewed erst by the white thred of (the) defferent ł
|r36,|r37 whan it lay equedistant by the blake thred in the limbe ~ ~ ~ ł & nota č=t= the
|r38 markes in thy label descriuen the Epicicles of planetes as the ł label turneth



|p34


 |rg_[f.76r] [mercurius]=o=     this canon is fals
 |r1,|r2 {R}ekne after succession of signes fro the hed of aries in the ł lymbe / the mene
 |r3 motus of mercurius ! & considere ek how mochel in ł the same lymbe is by twixe
 |r4 the hed of aries. & the lyne of his ł aux / č=t= yit is (^in) the lattere ende of
 |r5 libra ! & rekne alwey after ł successioun of signes ! w=t= draw thanne the
 |r6,|r7 quantite in ł the lymbe. by twix the hed of aries & the forseid aux / owt ł of
 |r8 his mene motus ! & considere how moche is the remnaunt ł of his mene motus
 |r9 whan this aux is thus w=t= drawe owt ł of al the hoole mene mot ! & so mochel
|r10 rekne after succession ł of signes in his litel cercle / fro the lyne of his aux č=t=
|r12 keruyth ł the same litel cercle ! I seye rekne after successioun of ł signes. from
|r13 lettere .D. č=t= is grauen in his lytel cercle / & procede ł in the same litel cercle
|r14 to ward lettere .E. opposit to .D. / ł I sey rekne thilke remnaunt (of the mene
|r15 motus) č=t= dwelde whan the quantite ł of his aux was w=t= draw owt of his hole
|r16,|r17 mene motus ł as I haue seid by forn ! & wher as ---- thilk remnaunt ł forseid
|r18 endith in the litel cercle / tak ther the verrey centre ł defferent of mercurie. as
|r19 it happith diuersely som tyme in on ł hole & som tyme in an other ! for lettere
|r20 .D. ne seruyth of nothyng ł ellis but for to shewe the wher thow shalt by
|r21 gynne thy ł reknyng in thy litel cercle ! ne lettere (^E) ne seruyth nat but
|r22,|r23 for łto shewe the which wey č=t= thow shalt procede fro lettere .D. / now ł hastow
|r24 founde thy defferent & thin equant // in which equant put ł a whit thred ! & stike
|r25 w=t= anedle the comune centre defferent ł vp on his centre defferent in the
|r26 plate (lamina) . ! & w=t= thin Epicle wirk ł & w=t= thy thredes as thow workest
|r27 w=t= saturnus Juppiter mars ł & venus ! nota č=t= yif the aux of mercurie be fro the
|r28,|r29 hed of aries ł more than his mene motus fro the same hed. / than shaltow ł adde
|r30 .12 signes to his mene motus / than maistow w=t=draw ł his aux owt of his mene
|r31 motus ! & nota generaly č=t= thy nedle ł ne be nat remewed whan it is stikyd
|r32,|r33 thorw the commune ł centre defferent in to any centre different on thy plate ł til
|r34 thin equacion of the planete be endid ! for yif thy commune ł centre different
|r35 stirte fro the centre ([deffer]=e=) on thy plate ł al thin equacion of thy planete
|r36 desired is lorn !  hic nota č=t= the centre ł defferent of mercurie hath but
|r37 24. holes as in myn instrment ł wher for .I. rekne but .2. holes for a signe as
|r38 in the ł gretter cerkle of mercurie fro the lyne of his aux



|p36


 |rh_[f.76v]                                      luna
 |r1,|r2 - luna {R}ekne after succession of signes fro the hed of aries in the ł lymbe
 |r3 the mene motus of the mone ! & rekne in the same ł manere the mene motus
 |r4 of the sonne (a capite arietis) as fer as it strechcheth // ł w=t= draw thanne the
 |r5 mene motus of the sonne owt of the mene ł motus of the mone ! [& as moche
 |r6 as the mene mot of the ł mone is more than the mene mot of the sonne]=c=
 |r7 (^&) considere č=t= ł difference / ! and the quantite of that difference č=t= I clepe ł
 |r8,|r9 the remenaunt / rekne it fro the (^ende of the) mene motus of the sonne in ł the
|r10 lymbe bakward agayn successioun of signes / & wheras ł endith this remenaunt /
|r11 mak a mark in the lymbe ! draw ł thanne thy blake thred to this forseide mark //
|r12,|r13 & wher as ł thy blake thred keruyth the cercle defferent of the mone ł in that
|r14 same hole is the centre defferent of the mone ł as it happith. ! & in the nadyr
|r15 of this hole / is the centre ł equant / put thanne in this centre equant a whit
|r16,|r17 thred ł ! now hastow thy two centres / stike thanne thy commune ł centre
|r18 defferent vp on the centre defferent of the mone / ł w=t= thy nedle ! yit rekne
|r19 agayn the mene motus of the ł mone fro the hed of aries after successioun of
|r20,|r21 signes ł & ley ther thy blake thred ! & ley thy white thred ł equedistant by the
|r22 blake thred in the lymbe // moeue ł thanne softely the pool of thyn Epicicle
|r23 vnder thy ł blake thred (^tak thanne thy white thred & ley it ouer the pol of
|r24 the epicicle) & wheras thy white thred keruyth ł the cercle of the Epicicle
|r25,|r26 tak ther the mene aux in ł thyn Epicicle & fro this white thred rekne in ł thyn
|r27 Epicicle bakward a gayns successioun of ł signes thy mene argument / I seye
|r28,|r29 rekne it in the ł degres of thin Epicicle / & where as endith thy ł reknynge in
|r30 the Epicicle. ley ther the marked ł ende of thy label. / & ley thy blake thred
|r31,|r32 vp on the ł mark of the mone in thy label. & wher as this same ł blake thred
|r33 keruyth the lymbe tak (^ther) the verrey place of ł the mone in the .9.
|r34 spere / nota č=t= the pool of the Epicicle ł ne shal nat ben leyd vnder the blake
|r35 thred of non other ł .planete. saue only of the mone



|p38


 |ri_[f.77r]    čis canon is fals
 |r1,|r2 and nota č=t= yif the mene motus of the sonne is more than ł the mene mot of
 |r3 the mone than shaltow adde .12. signes ł to the mene mot of the mone & thanne
 |r4,|r5 maistow w=t=drawe ł the mene mot of the sonne owt of the mene motus of ł the
 |r6 mone. & shortly for to speken of this theorike I seył č=t= the centre of hir (lune)
 |r7 epicicle (^in voluella) moeuyth equaly aboute the centre ł of the zodiac č=t=
 |r8 is to sein aboute the pol of the epicicle č=t= ł is thy riet / & thy blake thred whan
 |r9,|r10 it first leid thorw ł the pol of thyn Epicicle it shewith the verrey aux of ł the
|r11 planete (in epiciclo) riht as the white thred shewith the mene aux in ł the same
|r12 epicicle. Item whan thow (^hast) rekned the argument ł of aplanete in thin
|r13 epicicle. thanne is the body of the planete ł in thin Epicicle at the ende of thyn
|r14 argument & whan (thy) blak thred ł is leid thorw the marke of a planete in
|r15,|r16 thi label. in manerł forseid than shewith thy blake thred the verre place of ł the
|r17 planete at regard of the .9. spere as shewith in thy lymbe ł & the ark by twixe
|r18 the verrey motus & the mene motus ł of the mone is the equacion of his argument
|r19,|r20 in the lymbe / ł & the ark by twixe his mene aux & his verrey aux is ł the
     equacion of his argument in the Epicicle

|r21 ! to knowe the latitude of        the mone by thyn
|r22 instrument loke in thyn           almenak the verrey
|r23 motus of the mone & the verrey    motus of caput .dra.
|r24 .lune. at same tyme / & yif       so be č=t= thy
|r25 verre mot of thy mone be          lasse than .6.
|r26 signes fro caput draconis //      w=t=draw the
|r27 verrey motus of caput owt         of the verey
|r28 motus of the mone / & writ č=t= difference (id est verum argumentum latitudinis lune)
|r29 for č=t= is hir (lune) ł verrey argument (id est latitudinis) & so many signes
|r30 degres & mi=a= as ł thow hast in the (verrey) argument (of hir latitude) rekne
|r31,|r32 hem fro the ł hed of aries after successioun of signes in thy lymbe / ł & wher
|r33 as endith thy reknyng ley č=t= on end of thy thred ł & če middel of thy thred
     shal kerue the meridional lyne / & strechche



|p40


 |r1,|r2_[f.77v] so forth ouerthwart al the dyametre of thy plate vnto ł the lymbe / as thus
 |r3 I suppose č=t= on ende of thy thred laye ł after succession of signes .10. g=a=. fro
 |r4 the hed of aries in ł the lymbe / č=t= other ende of thy thred shold lye .20 g=a=.
 |r5,|r6 ofł virgo / in the lymbe/considere thanne how many .g=a=. & mi=a=łč=t= the middel
 |r7 ofthy thred lith fro centre aryn. wher as ł euermo by gynnith this reknyng/ I seye
 |r8 considere in the ł seccions of the meridional lyne how many g=a= & mi=a= lith the
 |r9,|r10 middel ł of thy thred fro centre aryn / & tak ther the nombre of the ł latitude
|r11 .7. trional of thy mone fro the Ecliptik / which latitu(de) ł ne passith neuer
|r12 .5. g=a=. ! & yif the verrey motus of the mone ł be more than .6. signes fro the
|r13 verrey mot of caput / than ł shaltow w=t=draw the verrey motus of cauda owt
|r14,|r15 of the ł verrey motus of the mone. and by gynne thy reknynge ł at the hed of
|r16 libra / & procede bakward agayns successioun ł of signes / as thus č=t= yif č=t= on
|r17 ende of thy thred laye ł agayn successioun of signes .  10. g=a= fro the hed of libra ł
|r18,|r19 than sholde č=t= other ende lye in the .10. g=a= fro the hedłof aries after successioun
     of signes / considere thanne in
|r20 the meridional lyne                 the quantite meridional of the lati
|r21 tude of thy mone                    fro the Ecliptik / as I haue
|r22 told by forn č=t=                   the quantite of g=a= & mi=a= č=t= the
|r23 middel of thy                       thred in the meridional lyne lith
|r24 fro centre aryn                     the same quantite of degres &
|r25 mi=a= is the latitude               of the mone fro the eclyptik
|r26 be it north be it                   sowth ! & nota č=t= generaly euermo
|r27 bothe endes of                      of thy thred shollen lyen
|r28 equedistant fro                     thilke diametre č=t= keruyth the
|r29,|r30 heuedes of aries & libra ! yit quykly vnderstond this ł canon. I sey whan the
|r31 forseide verrey argument of the ł mone is precisly .90. degres fro the hed of
|r32 aries in the ł lymbe after succession of signes / tak ther the grettest



|p42


 |r1_[f.78r] latitude of the mone 7trional (id est ab ecliptica) / & yif so be č=t= hir verrey
 |r2 argument ł passe (^anything) .90. degres fro the hed of aries / styrt ouer the
 |r3 meridional lyne ł in to the firste of cancer & ley ther č=t= on ende of thy thred
 |r4,|r5 & č=t= ł other ende in to the laste of geminis / & so forth day by day ł shaltow
 |r6 descende in the meridional lyne after č=t= the reknynge ł of thy verrey argument
 |r7 requerith. / til thow come agayn to ł centre aryn. for than hastow mad equacion
 |r8 of latitudes for .6. ł signes as I first seide / & euere mo lith thy thred equedistant ł
 |r9,|r10 fro the diametre č=t= keruyth the heuedes of aries & libra / & ł euer mo as many
|r11 degres & mi=a= as the midel of thy thred lith in ł the meridional lyne fro centre
|r12 aryn. so many g=a= & mi=a= is the latiłtude of the mone fro the Ecliptik / & whan
|r13,|r14 thy verrey argułment passith .6. signes wyrk w=t= cauda as I tawhte the ł &
|r15 ascende vpward in the meridional lyne day by day to the laste ł of geminis in
|r16 the lymbe / & fro thennes discende agayn as ł I haue seid by forn ! & nota
|r17 č=t= whan the mone is direct ł w=t= caput or cauda. she hath no latitude & whan
|r18 she passith ł caput til she be 3 signes (in) distance (pro successione¨ signorum)
|r19 fro caput she is 7trional ł ascendinge / & in hir gettest latitude 7trional / & fro
|r20,|r21 the ł ende of thilke 3 signes she is 7trional descending til she ł come to the
|r22 opposit of caput č=t= is to seyn cauda draconis ł & fro cauda til she come mid
|r23 wey (in medio) by twix capud & cauda ł & fro thennes is she meridional
|r24 assending til she come agayn ł at capud ! (1391 .17. decembris) Ensample
|r25 my mone was .12. g=a= .21. mi=a= of virgo / & ł caput was 4 g=a= 46 mi=a= of aries tho
|r26 drow I the verrey motus ł of caput č=t= is to seyn .o. in signes .4. g=a= 46 mi=a= owt
|r27,|r28 of thełverrey moeuyng / ofthe mone č=t= is to sein owt of 5 signes ł .12 g=a= 21 mi=a= /
|r29 tho fond I č=t= the verrey argument of the mone ł dwelde .5. sig=a= 7 g=a= 35 mi=a= tho
|r30 rekned I after successioun ł of signes fro the hed of aries in the lymbe (^the
|r31 same) 5 signes .7 g=a= ł 35 ma / & ther leide I č=t= on ende of my thred & č=t= other
|r32 ende ł lay in .22 ga 35. mia of aries / tho karf (^the) midel of my thred the ł
|r34 meridional lyne .1. degre & 54 mi=a= fro centre aryn by which I ł knew č=t= the
|r35 latitude of my mone was .1. degre & 54 mi=a= 7trional ł descending fro the
     Ecliptik



|p44


 |r1_[f.78v] (1391 .19. februarii) ! another ensample // I fond (scilicet in almenak) my
 |r2 mone in .8. g=a=d .13 m=a= of virgo ł & caput draconis in 20 g=a= & 42. mi=a= of aries
 |r3 (^.tho.) drow I the verrey ł motus of ---- caput fro the verrey motus of the
 |r4 mone in this ł manere. / I say wel č=t= I myht nat drawe .20 degres owt of ł
 |r5,|r6 .8. degres / ne 42 minutis owt of 13 mi=a= tho added I .30. degres ł to the forseide
 |r7 .8. degres of virgo & 60 mi=a= to the .13. mi=a= of the same ł virgo. & tho drow
 |r8 I the verrey motus of caput owt of the verrey ł motus of the mone / tho dwelde
 |r9 me the verrey argument of the latitude ł of the mone č=t= is to seyn (^.4. sig=a=)
|r10 .17. g=a= 31 mi=a= tho leide I č=t= on ende of my ł thred 4 signes 17 degres
|r11 (31 minuta) fro the hed of aries in the lymbe after ł successioun of signes
|r12 & č=t= other ende (^lay) equedistant fro the diametre ł č=t= passith by the heuedes
|r13 of aries & libra / & tho fond I the middel ł of my thred karf the meridional lyne
|r14 at .3. degres & 22 mi=a= fro the ł centre of the Erthe č=t= is centre aryn / wher for
|r15 I knew wel č=t= ł my mone was 3 degres .22. mi=a= in latitude 7trional descendinge ł
|r16 fro the Ecliptik ! (1391 23 februarii) the thridde ensample is this I fond
|r17,|r18 in myn ł almenak the verrey motus of the mone was 6 degres 24 mi=a= ofł Scorpio
|r19 & the verrey motus of caput was 20 degres .29. mi=a= ofł aries. tho moste I wirke
|r20 w=t= cauda by cause č=t= verre motus ofł my mone passed mor than .6. signes tho
|r21 drow I the verrey ł motus of cauda owt of the verrey motus of the mone / in
|r24,|r23 thisł maner / I added 30 g=a= to .6. g=a= of scorpio & 60 mi=a= to 24 mi=a= of theł same
|r24 scorpio / tho dwelde me the verrey argument (oflatitude) of the mone ł .o. in
|r25 signes 15 g=a= & 55 mi=a= / tho leide I č=t= on ende of my thred ł o in signes 15 g=a=
     55 mi=a= fro the hed of libra (agains succession of signes) by cause č=t= I wirke
|r26,|r27 w=t= ł cauda / & č=t= other ende of my thred lay equedistant fro the diametre ł č=t=
|r28 passith by the heuedes of aries & libra / & tho fond I č=t= the middel ł of my thred
|r29 karf the meridional lyne .1. degre 22 mi=a= fro centre aryn ł bi which I knew the
|r30 latitude of my mone was - .1. g=a= 22 m=a= fro ł the Ecliptil meridional
|r31 discendinge ! thus shaltow procede day by day vpward ł fro the hed of libra
|r32 vn to 90 degres agayns succession of signes ł č=t= is to seyn vnto the firste of
|r33 cancer & thanne stirt ouer the meridional lyne ł whan thy verrey argument of
|r34 thy latitude of the mone passit anył thing 90 g=a= / & ley č=t= on ende of thy thred
|r35 in gemini & č=t= other ende ł in cancer / & so com downward day bi day til
|r36 thow come agayn ł at centre aryn / & thanne wirk w=t= caput as I haue told
|r37 by fore ł ! & nota č=t= whan any eclips (lune) fallith in aries taurus gemini.
|r38 cancer. leo. virgo / than is ł [than is]=c= the Eclips in caput / & the remenant of
|r39 the Eclipses ben ł in cauda