(5 5 143 f 
C^nxxn of l>,k^^ and Goanfellor to JSIe^loral Hi^- 
fleis of ColUft, written to the Publilh^r in order to be comma- 
nicatcdto theS. i'<?^^^'iy' concerning his . fliort and eafie Me^ 
.fhod.Qf drATvmg:T^y^ents t9 all Ge metrical Curves witfebut any la- 
ibour of.C*i€ulaUM ; ,H^e in^rj^d.i^l^ langaage> m 
wMch it was wdctgn* ' - 
MEtbodMm meamdf-ic^nd^rum 0.4- C^rvas qj^ajtlbet GemenU 
Qos Tangmium mhtQ ad Te^ & Vlrotum DoEiiffimorHm 
R . So cieta tis cenfura ftihrnlm . BrevU mlhi vifa eft ac fmlis , cjmffe 
cjuam pfier tiyis^idr^tflo^ doceri fofflty & qH<& abfqne .uUo calculi lahore 
Ad omnes Qmmno lineas exteHdatur : : Afaldt^men aim talem videri quam 
^mhlj CHm in rthpts mjlris cacm*re plerumqt^e foleamfkv ^ 
¥lgi.Datafit tgitur qmlibetCurva D£lsu'^m punBa omnia refer an* 
turad ReBam qHamlihet datam BAB per ReU^mDdS five EAB fit 
dimeter feuMia qmlibet ^ Jtve etiam alU fimul linea daf <z Jint^ qua^vei 
..qmrum poteflMes zA^qHatlonem ingreSantur -^ parnm id referti 
, IniAEquathne A 
-ndytica , faciUoris 
€,xplicatioyiis cauf^ ^ 
^A perpHuhdiaatur 
VyBA^y^ EB vera 
s^ alh quantitates 
dau , Confonan- 
exfrmmtur, B C? 
.Turn fufponatur duBa D C, tangens cHrvm in Z>, & occurrens ErB^^ 
produBa, ^ ft opus fit^ in punElo C ^ & OA perpetua qmque dicatur a . 
Ad invenlendam ACvel^^ htec erit R egul a General i$ 
''^ J » RejeBi^ ab aquatione partibus^ in quihm y vel y non invenitur 
ftMuanmr ab um latere omnes in quibm ejiy^ & ab alter o ilU in quibm 
habetnr r^cumfuk Jignis -^ vel --r- . fjoe, dmrumy iHud, JmBrurn-^ 
latP^^ facilitate cauf A) zmabimm^ . 
2. In latere dextroy pnefigatur fingulls partibus exponens poteflatm 
qmm in itlk obtinet y S feu^ quod idem efi, in ilium dmantur partes, 
3 . Fiat idem in latere finiflro ^ pr^eponendo fciL unicuiqne illim parti 
,-Exponemem fdtefiatk quam in ilU hnbet y, iy.e.^ d"^ hoc ampltHs : V- 
:PumyinfipgHlispartibusvertaturin^, 
Ajoy t^quationem fic reformatam modum ofiendere ducendce Tan^ 
gent Is ad punSiumD datum* Cum enim eo dato, p writer dat^ .fint y d^' 
v., & caters qmnUtmeSy qm C&nfommibm exprimmtur ^ ^mn po^ 
teritignorari.. 
