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# Title: Leibniz-Handschriften zur Mathematik LH 35, 15, 6
# Folio 68v, page id 00068208:0138
# Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 67r); this page is its left half.
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# Lines: 47 recognised, mean confidence 0.96
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ut Nauticum summe utilem, imo necessa
riam hactenus praetermissam; sed scili cet coelo
potius quam terrae astronomia accommodabatur.
phemeridibus quoque operosis 
stellis figis utamur, opus adrem praesentem
non habemus. Duia enim omnes fixarum
revolutiones sant aequales, hinc si semel noue,
timus quantum fixa vel unica, momento
aliquo cognito a meridiano primo abfuerit
ciemus quantum omnes quolibet momento se
quente cognito abteo sunt abfaturae.
si scilicet tot revolutiones, quot 2 4 horas
inter tempus, quo distantia stellae, aemerudi,
uno primo cognita est, et aliud quo quaeritur
interjectas, numeremus  pro residuis horis ed
minutis eum calculum instituamus, ut unum
minutum secundum tiorae; quindeum minutis
secundis, vel quartae parti minuti primi
aequatoris aut circuli aequatori paratleli
respondeat. Et quia Aequator Paralle
lorum omnium est maximus e in circulomajo
re accuratiores hraberi possunt subdiusio
nes, ideo utite erit calculum institui infira
sub aequatore manente, ejus meridianum
primum artificialem, accommodari
Nauta ergo mari se commissurus
C
adhunc quidem usum ultra dudumnecria
ut horologuem exactum, instrumentumque
elevationibus poli stellarumue aliarum.
capiendis accommodatum, notitiamque fisa,
cum notabiliorum; neque instrumento, neque
scientia alia opus habet, quam sphara,
ampla satis, ut aequator ejus accuratarum
si velsimu
graduum primi partem capar sit. cognitio prtgredi in circulo aliquo coelesti, quousqu progressi
neque usus ejus facillimi hactenus explicati tum samus in Horologio, cum horologium haleanus
notitia longitudinis fitae s: a polo remotionis
artificcali novo hoc modo adornata, notitiaque ususejus, et longitudinis cujusdam firae Sphara Artificialis qua p
poterit esse
ducisionum saltem adquantam usque minuti
Cujuscunque
O siquidem velimus inquam eousque subtilitatis
quod secunda minuta satis fide monstret
s. sominuta serunda adraria, tribus quartius
minatigradus, respondeant.
vanta