<B CMEQUATO>
<Q M3 IS HANDA EPLANETS>
<N EPLANETS>
<A X>
<C M3>
<O 1350-1420>
<M 1350-1420>
<K CONTEMP>
<D EMO>
<V PROSE>
<T HANDB ASTRONOMY>
<G X>
<F X>
<W WRITTEN>
<X X>
<Y X>
<H X>
<U NON-PROF>
<E X>
<J X>
<I X>
<Z INSTR SEC>
<S SAMPLE X>


[^THE EQUATORIE OF THE PLANETIS.
ED. D. J. PRICE.
CAMBRIDGE: CAMBRIDGE UNIVERSITY PRESS, 1955.
PP. 18.1 - 44.39^]

[^ROUND BRACKETS IN TEXT INDICATE MARGINAL ADDITIONS, AND
SUPRALINEAR INSERTIONS AND GLOSSES.^]

<P 18>
In the name of god pitos & merciable seide [{leyk{] the         #
largere +t=t= thow makest
this instrument / the largere ben thi chef deuisiouns / the     #
largere +t=t= ben tho
deuisiouns / in hem may ben mo smale fracciouns / & euere the   #
mo of smale
fracciouns the ner the trowthe of thy conclusions / tak ther    #
fore a plate of
metal or elles a bord +t=t= be smothe shaue / by leuel / &      #
euene polised / of which
whan it is rownd (by compas) / the hole diametre shal contene   #
 .72. large
enches or elles .6. fote of mesure / the whiche rownde bord     #
for it shal nat
werpe ne krooke / the egge of (the) circumference shal be       #
bownde w=t= a plate
of yren in maner of a karte whel. / in this bord yif the        #
likith may be vernissed 
or elles glewed w=t= perchemyn for honestyte / tak thanne a     #
cercle of metal
+t=t= be .2. enche of brede / & +t=t= the hole dyametre (w=t=   #
in this cercle shal)
contene [{the forseide{] .68. enches / or .5 fote (& .8.        #
enches) / & subtili lat
this cercle be nayled vp on the circumference of this bord or   #
ellis mak this
cercle of glewed perchemyn. / this cercle wole I clepe the      #
lymbe of myn
equatorie +t=t= was compowned the yer of crist .1392. complet   #
the laste meridie
of decembre / this lymbe shaltow deuyde in 4 quarters by .2.    #
diametral
lynes in maner of the lymbe of a comune astrelabye & lok thy    #
croys be trewe
proued by geometrical conclusioun / tak thanne a large compas   #
+t=t= be trewe
& set the ffyx point ouer the middel of the bord (on) which     #
middel shal be
nayled a plate of metal rownd / the hole diametre of this       #
plate shal contiene
 .16. enches large for in this plate shollen ben perced alle    #
the centris of this
equatorie / & ek in proces of tyme may this plate be turned a   #
bowte after +t=t=
auges of planetes ben moeued in the .9. spere thus may thin     #
instrument laste
perpetuel. / tak thanne as I haue seid by forn the fix fot of   #
thy compas & set
it in the middel of this plate & w=t= the moeuable point of     #
thi compas descriue
a cercle in the ferthest circumference of thy lymbe / & nota    #
+t=t= the middel
poynt of this plate wher as the fix fot of thy compas stondith  #
/ wole I calle
centre .aryn. / mak thanne a narwer cercle +t=t= be descriued   #
vp on the same
centre aryn but litel quantite fro the forthest forseid cercle  #
in the lymbe in
whiche space shollen ben deuyde mynutes of the lymbe / mak      #
thanne a narwere
cercle som what ferther distaunt fro the laste seid cercle /    #
in whiche shal be
deuyded the degres of the same lymbe mak yit a narwere cercle   #
som what
ferthere distaunt fro this laste cercle in which shal ben       #
writen the 
nombres of
<P 20>
degres / mak yit a narwere cercle som what ferther distaunt fro #
this laste
seid cercle in which shollen ben writen the names of 12         #
signes / & nota +t=t=
this laste seid cercle wole I calle the closere of the signes   #
/ now hastow .5.
cercles in thy lymbe / & alle ben descriued vp on centre aryn   #
/ and euerich
of the .4. quarters in thi lymbe shal ben deuided in 90 degres  #
+t=t= is to sein
 .3. signes & eueri degre shal be deuided in 60 mi=a= / &       #
shortly thi lymbe is
deuided in maner of the lymbe in the bakside of an astrelabie   #
/ deuyde
thanne thilke lyne +t=t= goth fro centre aryn vn to the cercle  #
closere of the
sygnes  (\(versus finem geminorum)\) in 32 parties equales.     #
whiche parties ben
(cleped) degres of the semydiametre / marke thise parties       #
dymli  (\(ut
postea deleantur\) / and nota +t=t= this diametral lyne         #
deuided in 32 parties
shal be cleped lyne alhudda / set thanne the fix point of thy   #
compas vp on
the ende of the firste deuysioun fro centre aryn in lyne        #
alhudda / & the
moeuable point vp on the ende of the 30 deuisioun fro the fix   #
poynt of thi
compas in the same lyne / so dwelleth ther but .1. deuisioun    #
by twixe thy
moeuable point & the closere of the signes / & .1. deuysioun    #
bi twixe thy
fix poynt & the centre aryn / & descryue thus a cercle / & tak  #
ther the
eccentrik cercle of the sonne / scrape thanne awey the          #
deuysiouns of lyne
alhudda / deuyde yit (dymly oculte) the same lyne alhudda fro   #
centre
aryn / vn to the closere of the signes in 60 parties equales /  #
set thanne the
fix poynt of thy compas in centre aryn / & the moeuable point   #
in .12. degres
& 28 mi=a= of lyne alhudda & descriue a cercle / & +t=t= is     #
the centre defferent
of the mone / perce thanne (al) the circumference of this       #
defferent in 360
subtil holes equales of space & thise spaces by twixe the       #
holes / ben deuyded
owt of the degres of the lymbe / & nota +t=t= the yer of crist  #
1392 (complet
[{- vltimo .10.bre in meridie london{] ) the aux of saturnus    #
was the (last)
meridie of decembre at londone I seye the aux of saturne in     #
the .9. spere
was .4. dowble signes 12 g=a= 7 mi=a= .3. 2=a= & cetera / the   #
remenaunt of auges sek
hem in the table of auges folwynge / tak thanne a Rewle & ley   #
+t=t= on ende
in centre aryn / & +t=t= other ende in the lymbe / in the ende  #
of the minut wher
as endith the aux of the planete / & draw ther a lyne w=t= a    #
sharp instrument
fro centre aryn vn to the closere of the signes / & no          #
ferthere for empeiryng
of the lymbe & fasteby this lyne writ the name of the planete   #
( (\cuius est\) aux)
this rewle is general for alle planetis / sek thanne in thi     #
table of centris / the
distaunce of the centre equant of saturne fro centre aryn       #
whiche is .6. g=a=
50 mi=a= / set thanne the fix point of thy compas in centre     #
arin / & the moeuable
poynt in 6 g=a= & 50 mi=a= in lyne alhudda fro centre aryn /    #
turne than softely
thy compas abowte. til +t=t= the moeuable poynt [{til it{]      #
towche the lyne of the
aux of saturne &
<P 22>
stondinge alwey (stille) the fix poynt of thy compas in centre  #
aryn / marke
w=t= thy moeuable poynt in the lyne of the aux of saturnus a    #
dep prikke / for
in +t=t= prikke shal be perced a smal hole for the centre       #
equant of saturnus / &
faste by this hole mak an E in signefyeng of equant / thanne    #
tak awey thy
compas / & loke in thi table of centris / the distaunce of the  #
centre defferent
of saturnus / & +t=t= is .3. g=a= & 25 mi=a= / set (a centre    #
aryn) thanne the fix point
of thy compas in centre aryn & thy moeuable point in .3. g=a=   #
& 25 mi=a= in
lyne alhudda / & torne softely thi compas til +t=t= the         #
moeuable point towche
the (forseide) lyne of the aux of saturne / & stonding stille   #
thy fix poynt
of thi compas in centre aryn / marke w=t= the moeuable poynt    #
in the lyne of
the aux of saturne a dep prikke for ther in shal be perced a    #
smal hole for
the centre defferent of saturnus / & fasteby this hole mak an   #
 .D. for defferent / &
nota +t=t= by this ensample of saturnus shaltow make the        #
centres defferentes / & ek
the equantes of alle the planetis / after hir distaunces (\(in  #
tabulis)\)  fro centre
aryn & prikke hem in the lynes of hir auges / thanne shaltow    #
sette the fix
point of thy compas in the lyne of the aux of mercurie euene    #
by twixe the
centre .E. & centre .D. of mercurius / & strid the moeuable     #
poynt til it wole
towche bothe centre E & ek centre .D. of mercurius / &          #
descryue ther a litel
cercle & thanne shaltow se +t=t= the lyne of the aux of         #
mercurie departith this
litel cercle in .2. arkes equals / this is to seye / +t=t= the  #
lyne kerueth this litel
cercle euene amidde / this litel cercle shal be perced ful of   #
smale holes (\(in
circumferencia circuli)\) by euene proporcioun as is the        #
centre defferent of the
mone in 360 holes yif it be possible or in .180. or in 90 atte  #
leste / but sothly
the spaces by twixe the holes (ne) shal nat be deuided owt of   #
the grete lymbe
of the instrument / as is the centre defferent of the mone /    #
but owt of the
circumference of the same litel cercle it shal be deuided by    #
thy compas / scrape
thanne awey thilke 60 deuysiouns in lyne alhudda / & yit deuyde #
the same
lyne alhudda in .5. parties equales (by compas) fro centre      #
aryn vn to the
cercle +t=t= is closere of the signes / & euerych of thilke     #
 .5. parties shal be deuided
in 60 parties / thise diuisiouns ne shal nat ben scraped awey   #
/ deuyde thanne
the line +t=t= goth fro centre aryn to the hed of capricone     #
whiche lyne is cleped
in the tretis of the astrelabie the midnyht line / I seye       #
deuyde this midnyht
lyne in .9. parties equals fro centre aryn (vn) to the closere  #
of the signes / &
euerich of thise deuysiouns shal be deuided by thy compas in    #
60 parties equales /
thise deuysiouns ne shal nat be scraped awey / (\laus deo       #
vero\) now hastow the
visage of this precios equatorie / nota +t=t= thise last seid   #
 .9. diuisiouns in the
midnyht lyne shollen seruen for Equacioun of the 8=e= spere
<P 24>
[{n{]ow for the composicioun of the Epicicle for the visage of  #
thyn equatorie / thow
shalt make a cercle of metal of the same brede & of the same    #
widnesse in
circumference in diametre / & in alle thinges lik to the lymbe  #
of thin
instrument & in the same manere shal it be deuyded in mynutis.  #
in degres
in nombres in names of signes / & in 5 cercles compased / as    #
is the firste seid
lymbe / saue +t=t= .a. / .b. the eccentrik of the sonne / ne    #
shal nat be
in the epicicle & also +t=t= it be nat filed to ney to the      #
closere of his signes list
thow perce the hole (foramen) of thi commune centre defferent   #
amys / or elles
list the hole breke [{+t=t={] / this epicicle mot haue          #
suffisaunt thikkenesse to
sustene hym self / Tak thanne this epicicle & ley it (sadly &)  #
euene vp on
the visage of thin equatorie so +t=t= (capud) aries of thin     #
epicle lie euene vp on
the hed of aries in the lymbe of thin equatorie / & libra vp    #
on libra & cancer
vp on cancer & capricorne vp on capricorne & (euery) signe vp   #
on signe
this is to seyn the hed of euery signe vp on hed of euery       #
signe / tak thanne
a Renspyndle or a boydekyn / & in direct of the hed of cancer.  #
(thow shalt)
in the cercle +t=t= is closere of the signes (perce) make a     #
litel hole thorw the
epicicle / & thanne shaltow se (+t=t=) yif thow haue trewely    #
compased thy cercles /
+t=t= the poynt of thy renspindle shal haue towched the         #
closere of the signes
in direct of the hed of cancer in thyn equatorie / this litel   #
hole +t=t= is no grettere
than a smal nedle shal be cleped the comune centre defferent    #
of planetes / tak
than a barre of metal of the brede of a large enche & of        #
suffisaunt thyknesse /
(of) the whiche barre +t=t= on ende shal be sowded to the       #
closere of (the)
signes in direct of aries in this epicicle & +t=t= other ende   #
shal be sowded to the
closere of the signes in direct of libra in the same epicicle   #
/ draw thanne by
thi rewle a lyne fro the hed of aries to the hed of libra       #
endelong the barre / &
draw swich another lyne (ouerthwart) [{in{] the barre fro the   #
hed of cancer
to the hed of capricorne / & in the seccioun of this crois is   #
the centre of the
epicicle / tak thanne a rewle of latoun that (ne) be nat ful    #
thykke / & lat it
be the brede of an enche & the lengthe shal be as long as al    #
hol the diametre
of the Epicicle this rewle mot be shape in maner of a label on  #
an astrelabie /
the centre of this rewle shal be nayled to the centre of the    #
forseide barre in
swich a manere +t=t= this label may torne abowte as doth the    #
label of an
astrelabie / in middes of this nayl +t=t= fastnyth the barre &  #
the label to gidere
ther mot be a smal prikke +t=t= be dep / which prikke (\(id     #
est punctus)\) is the
centre of thin epicicle / tak thanne by thy large compas the    #
distaunce by twixe
centre aryn & the closere of the signes / which distaunce is    #
the lengthe of lyne
alhudda / & be it on a long rewle or elles be it on a long      #
percemyn / marke
w=t= thy compas the forseide distaunce / & deuyde it in 60      #
parties equals & than
hastow a newe lyne alhudda / sek thanne in thy table of         #
centres / the
semydiametre of the epicicle of saturnus / & +t=t= is .6. g=a=  #
& 30 mi=a= of swiche
degres as ben 60 in line alhudda / tak thanne w=t= thy compas   #
the space of
 .6. g=a= & 30 mi=a=. of lyne alhudda / & set the fix point of  #
thy compas in the
centre of thin 
<P 26>
Epicicle +t=t= is the poynt (\(punctus)\) in the hed of the     #
nail / & 
endelong the label set the moeuable poynt of thi compas & w=t=  #
+t=t= moeuable poynt mak a marke
a strik in the label & faste by the strik writ .sa. for saturne #
/ this ensample of
saturne techith how to maken in the label alle the              #
semydiametres of Epicicles 
of alle the planetis / nota +t=t= the sonne (ne) hath non       #
epicicle / & nota +t=t=
alwey as the label turnyth / so shewith it the epicicle of      #
euery planete / 
(\laus deo vero\) now hastow complet thyn equatorie w=t= alle   #
hise membris / and nota +t=t=
eccentrik of the sonne shal nat be compassed in this epicicle   #
/ (\Explicit\) 
the face of the equatorie
[^SIGN OMITTED^] nota +t=t= euery centre mot ben also smal
as a nedle / & in euery equant mot
be a silk thred
[^SIGN OMITTED^] nota +t=t= the eccentrik of the sonne is
compaced on the bord of the instrument
& nat on the lymbe for sparing
of metal / [^SIGN OMITTED^] nota shortly +t=t= but so be
+t=t= bothe the closeres of the signes
ben precisly ilike of widnesse / &
but so be +t=t= centre aryn stonde precise
as fer fro his closere of the signes as
the centre of thin epicicle stondith fro
the comune centre defferent precise / thyn
epicicle is fals / but natheles
yif thow myshappe in this
cas i shal teche the aremedie
/ knokke thi centre defferent
innere or owtre til it stonde
precise vp on the closere of the
signes in the lymbe of thin
equatorie / so wole thanne the
centre of thin epicicle precise
stonde vp on centre aryn
the sixte
cercle is the
eccentric of the sonne
& the .5. cercle +t=t= is red
is the closere of the signes
& the seccioun of the crois
is centre aryn / & +t=t= other
centre is the centre of the
eccentrik of the sonne
/ & the lyne deuyded in .9.
is the midnyht lyne I
wot wel it is figured 
boistosly / & the cercle
abowte centre aryn is
the centre defferent of the
mone / the litel cercle
is the defferent of mercurie 
/ the smale lynes ben lynes
of auges
the prikkes in the lynes
ben the centris equantis &
defferentis / & alle thise
centres saue the equant
of mars ben by twixe
centre aryn & the centre
defferent of the mone
the owterest space is mynutis
& the nexte space is degres
& the thridde space is nombres
of degres & the ferthe space is
for names of signes but
natheless the narwere cercle
of the signes is cleped the
closere of the signes / & it is
compased with red
<P 28>
the epicicle  nota file nat to ney the rede +t=t= is closere of
the signes / list the commune centre defferent breke
lat stonde a litel lippe as shewith in direct of
the hed of cancer
nota I conseile the ne write no names of signes (\(id est in    #
epiciclo)\) 
til +t=t= thow hast proued (+t=t=) thi comune
centre defferent is treweli & justli set
in direct of the closere of the signes
of thin equatorie
/ this 
epicicle
is deuyded 
& compased in
alle thinges
lik to the lymbe of the equatorie
/ but it hath non
eccentrik of the
sonne / the prikke
+t=t= stant in the 
closere of the
signes in direct
of the ende of
geminis is the
commune centre
defferent - 
/ but natheless thus lith thin
instrument whan thow makest
equacioun of thy mone
<P 30>
(\pro argumentis trium superiorum minue eorum med~ mot~ de med~ #
mot~ solis / &
remanet argumentum [{satur .io. & martis & vener{] \) [{s{]ek   #
(\medius motus\) of
saturnus Juppiter mars & venus / & hir mene argumentis in thy   #
tables / & writ
hem in thy sklat / put thanne a blak thred in centre aryn       #
(terre) & a whit
thred in centre equant of any planete +t=t= the list haue of    #
equacion. and put
the comune centre defferent of thyn Epicicle / vp on the        #
centre different in
thy plate / of thilke planete +t=t= thow desirest to haue       #
equacioun I sey +t=t= w=t=
a nedle thow shalt stike the comune centre defferent of thin    #
Epicicle / vp
on the centre defferent +t=t= is perced on thy plate for swich  #
a planete a the list
to haue of equacoun / loke thanne (\(pro successione            #
signorum)\) fro the hed of
aries wher the mene motus of thy planete endith / in the grete  #
lymbe of thy
plate / & ley ther thy blake thred. / ley thanne thy white      #
thred equedistant
by the blake thred in the same lymbe. & proeue by a compas      #
+t=t= thy thredes
lyen equedistant vnder whiche white thred ley the pool of       #
thyn Epicicle / &
stondinge thyn Epicicle stille in this maner / I seye           #
stondinge the pool of
thin epicicle vndir thy white thred stille / & the commune      #
centre different
fix w=t= thy nedle to the foreseide centre defferent of the     #
planete desired / tak
than thy blake thred & ley it so +t=t= it kerue the centre of   #
the Epicicle / &
streche forth vp vn to vpperest part of the same epicicle / and #
than shal this
blake thred shewe bothe the verrey (\motus (locum)\) of the     #
epicicle in the grete
lymbe / & ek the verrey aux of the planete in the epicicle / &  #
thanne the ark
by twixe (\medios motus\) of the planete / & the verrey         #
motus of the epicicle / is
cleped the equacion of his centre in the lymbe (zodiacus) to    #
whom is lik
the equacion of his argument in his epicicle.  +t=t= is to      #
sein the ark by twixe
his mene aux & his verrey aux. / for sothly the mene aux is     #
shewed in the
Epicle by the white thred / vnder which thow puttest the pol    #
of the
epicicle & the verrey aux is shewed in the epicicle by the      #
blake thred / &
stondinge stille thin Epicicle in this same disposicioun / ley  #
the ende of thy
label +t=t= is grauen fro the white thred as many signes        #
degres & mi=a=. as
shewith the mene argument in thy [{grene{] tables for +t=t=     #
day of thy planete
desired / & rekne this mene argument fro the white thred after  #
successioun
of signes of euery planete saue only of the mone [{sa 1 31 19   #
22 44{]
<P 32>
/ & ligginge the marked ende of thy label vpon [{the{] the      #
ende of this mene
argument in the epicicle / ley thy blake thred vp on the marke  #
of thy planete
+t=t= is grauen in thi label. & wher as the same blake thred    #
keruyth the lymbe
of thy plate tak ther the verrey place (\(locum)\) of the       #
planete in the .9. spere
/ and the ark by twixe the verrey place (\(locum)\) of the      #
planete (in limbo)
& the verrey place of the epicicle considered in the lymbe is   #
cleped equacioun
of his argument this maner of equacioun is for saturnus         #
Juppiter mars &
venus / but in the remenaunt of planetes in some thinges it     #
varieth sol / the
mene motus of the sonne ben rekned fro the hed of aries after   #
successioun of
signes / the sonne hath non Epicicle ne non Equant & therfor    #
the pol of the
epicicle mot ben in stide of the body of the sonne in the .9.   #
spere / the white
thred +t=t= thow puttest in his centre defferent in the plate   #
(\(lamina)\) mot ben
in stide of the white thred +t=t= othre planetes han in hir     #
centres equantis / the
blake thred +t=t= euermo stant in centre aryn / mot be leid at  #
the ende of his
mene motus / tak thanne his white thred & lei it equedistant in #
the lymbe
by the blake thred / whiche blake thred shewith the mene        #
motus of the
sonne / fixe thanne w=t= thy nedle the commune centre           #
defferent of thyn
Epicicle to centre aryn. & remew nat thy (nedle) / & vnder      #
this white thred ley
softely the pol of the Epicicle & wher as the white thred       #
keruyth the grete lymbe
tak ther [{ther{] the verrey place of the sonne in the .9.      #
spere / the ark of the
lymbe by twixe his aux +t=t= is now in cancer. & the blake      #
thred is the argument
of the sonne / the ark by twixe the blake thred & the white in  #
the lymbe is
the equacion of the sonne / which ark nis but litel. / the      #
mene motus of the
sonne is the ark in the lymbe by twixe the hed of aries & the   #
blake thred in
the same lymbe / the verrey motus of the sonne is the ark of    #
the lymbe by
twixe the hed of aries & the blake thred whan it (\(id est      #
filum)\) is remewed fro
the mene motus & crossith the white thred in the in the pol of  #
the Epicicle / the
same verrey motus was shewed erst by the white thred of (the)   #
defferent
whan it lay equedistant by the blake thred in the limbe [^SIGN  #
OMITTED^] & nota +t=t= the
markes in thy label descriuen the Epicicles of planetes as the  #
label turneth 
<P 34>
[{mercurius{]  this canon is fals
[{R{]ekne after succession of signes fro the hed of aries in    #
the lymbe / the mene
motus of mercurius / & considere ek how mochel in the same      #
lymbe is by twixe
the hed of aries. & the lyne of his aux / +t=t= yit is (in)     #
the lattere ende of
libra / & rekne alwey after successioun of signes / w=t= draw   #
thanne the
quantite in the lymbe. by twix the hed of aries & the forseid   #
aux / owt of
his mene motus / & considere how moche is the remnaunt of his   #
mene motus
whan this aux is thus w=t= drawe owt of al the hoole mene mot   #
/ & so mochel
rekne after succession of signes in his litel cercle / fro the  #
lyne of his aux +t=t=
keruyth the same litel cercle / I seye rekne after successioun  #
of signes. from
lettere .D. +t=t= is grauen in his lytel cercle / & procede in  #
the same litel cercle
to ward lettere .E. opposit to .D. / I sey rekne thilke         #
remnaunt (of the mene
motus) +t=t= dwelde whan the quantite of his aux was w=t= draw  #
owt of his hole
mene motus as I haue seid by forn / & wher as - thilk remnaunt  #
forseid
endith in the litel cercle / tak ther the verrey centre         #
defferent of mercurie. as
it happith diuersely som tyme in on hole & som tyme in an       #
other / for lettere
 .D. ne serueth of nothyng ellis but for to shewe the wher thow #
shalt bygynne 
thy reknyng in thy litel cercle / ne lettere (E) ne seruyth nat #
but
for to shewe the which wey +t=t= thow shalt procede fro         #
lettere .D. / now hastow
founde thy defferent & thin equant in which equant put a whit   #
thred / & stike
w=t= a nedle the  comune centre defferent vp on his centre      #
defferent in the
plate (\(lamina)\) . / & w=t= thin Epicle wirk & w=t= thy       #
thredes as thow workest
w=t= saturnus Juppiter mars & venus / nota +t=t= yif the aux    #
of mercurie be fro the
hed of aries more than his mene motus fro the same hed. / than  #
shaltow adde
 .12 signes to his mene motus / than maistow w=t=draw his aux   #
owt of his mene
motus / & nota generaly +t=t= thy nedle ne be nat remewed whan  #
it is stikyd
thorw the commune centre defferent in to any centre different   #
on thy plate til
thin equacion of the planete be endid / for yif thy commune     #
centre different
stirte fro the centre ( [{deffer{] ) on thy plate al thin       #
equacion of thy planete
desired is lorn / [^SIGN OMITTED^] (\hic nota\) +t=t= the       #
centre defferent of mercurie hath but
24. holes as in myn instrment wher for .I. rekne but .2. holes  #
for a signe as
in the gretter cerkle of mercurie fro the lyne of his aux
<P 36>
-luna [{R{]ekne after succession of signes fro the hed of       #
aries in the lymbe
the mene motus of the mone/ & rekne in the same manere the mene #
motus
of the sonne (\(a capite arietis)\) as fer as it strechcheth    #
w=t= draw thanne the
mene motus of the sonne owt of the mene motus of the mone/      #
[{& as moche
as the mene mot of the mone is more than the mene mot of the    #
sonne{]
(&) considere +t=t= difference / and the quantite of that       #
difference +t=t= I clepe
the remenaunt / rekne it fro the (ende of the) mene motus of    #
the sonne in the
lymbe bakward agayn successioun of signes / & wheras endith     #
this remenaunt /
mak a mark in the lymbe / draw thanne thy blake thred to this   #
forseide mark 
& wher as thy blake thred keruyth the cercle defferent of the   #
mone in that
same hole is the centre defferent of the mone as it happith. /  #
& in the nadyr
of this hole is the centre equant / put thanne in this centre   #
equant a whit
thred / now hastow thy two centres / stike thanne thy commune   #
centre
defferent vp on the centre defferent of the mone / w=t= thy     #
nedle / yit rekne
agayn the mene motus of the mone fro the hed of aries after     #
successioun of
signes & ley ther thy blake thred / & ley thy white thred       #
equedistant by the
blake thred in the lymbe moeue thanne softely the pool of thyn  #
Epicicle
vnder thy blake thred (tak thanne thy white thred & ley it      #
ouer the pol of
the epicicle) & wheras thy white thred keruyth the cercle of    #
the Epicicle
tak ther the mene aux in thyn Epicicle & fro this white thred   #
rekne in thyn
Epicicle bakward a gayns successioun of signes thy mene         #
argument / I seye
rekne it in the degres of thin Epicicle / & where as endith     #
thy reknynge in
the Epicicle. ley ther the marked ende of thy label. / & ley    #
thy blake thred
vp on the mark of the mone in thy label. & wher as this same    #
blake thred
keruyth the lymbe tak (ther) the verrey place of the mone in    #
the .9.
spere / nota +t=t= the pool of the Epicicle ne shal nat ben     #
leyd vnder the blake
thred of non other .planete. saue only of the mone
<P 38>
and nota +t=t= yif the mene motus of the sonne is more than the #
mene mot of
the mone than shaltow adde .12. signes to the mene mot of the   #
mone & thanne
maistow w=t=drawe the mene mot of the sonne owt of the mene     #
motus of the
mone. & shortly for to speken of this theorike I sey +t=t= the  #
centre of hir (lune)
epicicle (in voluella) moeuyth equaly aboute the centre of the  #
zodiac +t=t=
is to sein aboute the pol of the epicicle +t=t= is thy riet /   #
& thy blake thred whan
it first leid thorw the pol of thyn Epicicle it shewith the     #
verrey aux of the
planete ( (\in epiciclo\) ) riht as the white thred shewith the #
mene aux in the same
epicicle. Item whan thow (hast) rekned the argument of          #
a planete in thin
epicicle. thanne is the body of the planete in thin Epicicle    #
at the ende of thyn
argument & whan (thy) blak thred is leid thorw the marke of a   #
planete in
thi label. in maner forseid than shewith thy blake thred the    #
verre place of the
planete at regard of the .9. spere as shewith in thy lymbe &    #
the ark by twixe
the verrey motus & the mene motus of the mone is the equacion   #
of his argument
in the lymbe / & the ark by twixe his mene aux & his verrey     #
aux is the 
equacion of his argument in the Epicicle

/ to knowe the latitude of the mone by thyn
instrument loke in thyn almenak the verrey
motus of the mone & the verrey motus of (\caput .dra.
 .lune.\) at same tyme / & yif so be +t=t= thy
verre mot of thy mone be lasse than .6.
signes fro (\caput draconis\) w=t=draw the
verrey motus of caput owt of the verey
motus of the mone / & writ +t=t= difference (\(id est verum     #
argumentum latitudinis lune)\) 
for +t=t= is hir (lune) verrey argument (\(id est               #
latitudinis)\) & so many signes
degres & mi=a= as thow hast in the (verrey) argument (of hir    #
latitude) rekne
hem fro the hed of aries after successioun of signes in thy     #
lymbe / & wher
as endith thy reknyng ley +t=t= on end of thy thred & +te       #
middel of thy thred 
shal kerue the meridional lyne / & strechche
<P 40>
so forth ouerthwart as the dyametre of thy plate vnto the       #
lymbe / as thus
I suppose +t=t= on ende of thy thred laye after succession of   #
signes .10. g=a=. fro
the hed of aries in the lymbe / +t=t= other ende of thy thred   #
shold lye .20 g=a=.
of virgo / in the lymbe / considere thanne how many .g=a=. &    #
mi=a= +t=t= the middel
of thy thred lith fro centre aryn. wher as euermo bygynnith     #
this reknyng / I seye
considere in the seccions of the meridional lyne how many g=a=  #
& mi=a= lith the
middel of thy thred fro centre aryn / & tak ther the nombre of  #
the latitude
 .7. trional of thy mone fro the Ecliptik / which latitu(de) ne #
passith neuer
 .5. g=a=. / & yif the verrey motus of the mone be more than    #
 .6. signes fro the
verrey mot of caput / than shaltow w=t=draw the verrey          #
motus of cauda owt
of the verrey motus of the mone. and bygynne thy reknynge at    #
the hed of
libra / & procede bakward agayns successioun of signes / as     #
thus +t=t= yif +t=t= on
ende of thy thred laye agayn successioun of signes .10. g=a=    #
fro the hed of libra
than sholde +t=t= other ende lye in the .10. g=a= fro the hed   #
of aries after successioun
of signes / considere thanne in
the merdional lyne the quantite meridional of the latitude
of thy mone fro the Ecliptik / as I haue
told by forn +t=t= the quantite of g=a= & mi=a= +t=t= the
middel of thy thred in the meridional lyne lith
fro centre aryn the same quantite of degres &
mi=a= is the latitude of the mone fro the eclyptik
be it north be it sowth / & nota +t=t= generaly euermo
bothe endes of of thy thred shollen lyen
equedistant fro thilke diametre +t=t= keruyth the
heuedes of aries & libra / yit quykly vnderstond this canon. I  #
sey whan the
forseide verrey argument of the mone is precisly .90. degres    #
fro the hed of
aries in the lymbe after succession of signes / tak ther the    #
grettest   
<P 42>
latitude of the mone 7trional (\(id est ab ecliptica)\) / &     #
yif so be +t=t= hir verrey
argument passe (anything) .90. degres fro the hed of aries /    #
styrt ouer the
meridianal lyne in to the firste of cancer & ley ther +t=t= on  #
ende of thy thred
& +t=t= other ende in to the laste of geminis / & so forth day  #
be day shaltow
descende in the meridional lyne after +t=t= the reknynge of     #
thy verrey argument
requerith. / til thow come agayn to centre aryn. for than       #
hastow mad equacion
of latitudes for .6. signes as I first seide / & euere mo lith  #
thy thred equedistant
fro the diametre +t=t= keruyth the heuedes of aries & libra /   #
& euer mo as many
degres & mi=a= as the midel of thy thred lith in the            #
meridional lyne fro centre
aryn. so many g=a= & mi=a= is the latitude of the mone fro the  #
Ecliptik / & whan
thy verrey argument passith .6. signes wyrk w=t= cauda as I     #
tawhte the &
ascende vpward in the meridional lyne day by day to the laste   #
of geminis in
the lymbe / & fro thennes discende agayn as I haue seid by      #
forn / & nota
+t=t= whan the mone is direct w=t= caput or cauda. she hath no  #
latitude & whan
she passith caput til she be 3 signes (in) distance (\(pro      #
successione+g signorum)\) 
fro caput she is 7trional ascendinge / & in hir gettest         #
latitude 7trional / & fro
the ende of thilke 3 signes she is 7trional descending til she  #
come to the
opposit of caput +t=t= is to seyn (\cauda draconis\) & fro      #
cauda til she come mid
wey (\(in medio)\) by twix capud & cauda & fro thennes is she   #
meridional
assending til she come agayn at capud / (1391 .17. decembris)   #
Ensample
my mone was .12. g=a= .21. mi=a= of virgo / & caput was 4 g=a=  #
46 mi=a= of aries tho
drow I the verrey motus of caput +t=t= is to seyn .0. in signes #
 .4. g=a= 46 mi=a= owt
of the verrey moeuyng / of the mone +t=t= is to sein owt of 5   #
signes .12 g=a= 21 mi=a= /
tho fond I +t=t= the verrey argument of the mone dwelde .5.     #
sig=a= 7 g=a= 35 mi=a= tho
rekned I after successioun of signes fro the hed of aries in    #
the lymbe (the
same) 5 signes .7 g=a= 35 m=a= / & ther leide I +t=t= on ende   #
of my thred & +t=t= other
ende lay in .22 g=a= 35. mi=a= of aries / tho karf (the) midel  #
of my thred the
meridional lyne .1. degre & 54 mi=a= fro centre aryn by which   #
I knew +t=t= the
latitude of my mone was .1. degre & 54 mi=a= 7trional           #
descending fro the 
Ecliptik
<P 44>
(1391 .19. februarii) / another ensample I fond ( (\scilicet\)  #
in almenak) my
mone in .8. g=a=d .13 m=a= of virgo & (\caput draconis\) in 20  #
g=a= & 42. mi=a= of aries
(.tho.) drow I the verrey motus of - caput for the verrey motus #
of the
mone in this manere. / I say wel +t=t= I myht nat drawe .20     #
degres owt of
 .8. degres / ne 42 minutis owt of 13 mi=a= tho added I .30.    #
degres to the forseide
 .8. degres of virgo & 60 mi=a= to the .13. mi=a= of the same   #
virgo. & tho drow
I the verrey motus of caput owt of the verrey motus of the      #
mone / tho dwelde
me the verrey argument of the latitude of the mone +t=t= is to  #
seyn (.4. sig=a=)
 .17. g=a= 31 mi=a= tho leide I +t=t= on ende of my thred 4     #
signes 17 degres
(31 minuta) fro the hed of aries in the lymbe after             #
successioun of signes
& +t=t= other ende (lay) equedistant fro the diametre +t=t=     #
passith by the heuedes
of aries & libra / & tho fond I the middel of my thred karf     #
the meridional lyne
at .3. degres & 22 mi=a= fro the centre of the Erthe +t=t= is   #
centre aryn / wher for
I knew wel +t=t= my mone was 3 degres .22. mi=a= in latitude    #
7trional descendinge
fro the Ecliptik / (1391 23 februarii) the thridde ensample is  #
this I fond
in myn almenak the verrey motus of the mone was 6 degres 24     #
mi=a= of Scorpio
& the verrey motus of caput was 20 degres .29. mi=a= of aries.  #
tho moste I wirke
w=t= cauda by cause +t=t= verre motus of my mone passed mor     #
than .6. signes tho
drow I the verrey motus of cauda owt of the verrey motus of the #
mone / in
this maner / I added 30 g=a= to .6. g=a= of scorpio & 60 mi=a=  #
to 24 mi=a= of the same
scorpio / tho dwelde me the verrey argument (of latitude) of    #
the mone .0. in
signes 15 g=a= & 55 mi=a= / tho leide I +t=t= on ende of my     #
thred 0 in signes 15 g=a=
55 mi=a= fro the hed of libra (agains succession of signes) by  #
cause +t=t= I wirke
w=t= cauda / & +t=t= other ende of my thred lay equedistant     #
fro the diametre +t=t=
passith by the heuedes of aries & libra / & tho fond I +t=t=    #
the middel of my thred
karf the meridional lyne .1. degre 22 mi=a= fro centre aryn bi  #
which I knew the
latitude of my mone was - .1. g=a= 22 m=a= fro the Ecliptil     #
meridional
discendinge / thus shaltow procede day by day vpward fro the    #
hed of libra
vn to 90 degres agayns succession of signes +t=t= is to seyn    #
vnto the firste of
cancer & thanne stirt ouer the meridional lyne whan thy verrey  #
argument of
thy latitude of the mone passit anything 90 g=a= / & ley +t=t=  #
on ende of thy thred
in gemini & +t=t= other ende in cancer / & so com downward day  #
bi day til
thow come agayn at centre aryn / & thanne wirk w=t= caput as I  #
haue told
by fore / & nota +t=t= whan any eclips (lune) fallith in aries  #
taurus gemini.
cancer. leo. virgo / than is [{than is{] the Eclips in caput /  #
& the remenant of 
the Eclipses ben in cauda  



