# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/820424455:0240
# Permalink to this reading: https://leibnizlegible.com/page/820424455:0240?run=74
# Title: Nicolai Mercatoris Holsati, è Soc. Reg. Institutionum Astronomicarum Libri Duo, De Motu Astrorum Communi & Proprio, Secundum Hypotheses Veterum & Recentiorum præcipuas; Deqve Hypotheseon ex observatis constructione (shelfmark Leibn. Marg. 63)
# Folio 218, page id 820424455:0240
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=820424455&page=240
# Source image: https://digitale-sammlungen.gwlb.de/content/820424455/jpgs/default/00000240.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 40 lines, status machine
# Lines: 40 recognised, mean confidence 0.91
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line: the recognised lines in reading order, one per line.

2Lc
ASTRONOMTA.
La
oblato, Cive is sic Periodi Fulianae, sive AErxe Chrictianae, sempe
derratiatur uniras, _ AErae quidem Christianx anno, postqua
unitate mulearus fuerie, addatur insuper numerus 171
quo reducatur ad annum Periodi Julianae completum. Ou
vero de diebus se horis dixi, accipianeur de Tabulis Sd
laribus e Lunaribus Zyehonianis, nec non de Radosphinis
AC circa Lunx. Solares Zychonianas, Cudiose obserrabis;
uc in anno bissexcili post Februarium complerum semper de
trahas unitarem numero dierum invento, alio vero rempose
quovis, nihil derrahas; e exrabir dies Syrygix media
currens, cum horis _ scrupulis ejuldem diei a media nocte
elap(iS. Duare li examen instiruendum lic ex Tabulis S0
lacibus e Lunaribus, oportet istas horas ex scrupula con
putare a meridie, adjectis r2 horis, C anremeridianxe sue
rine, ec ex numero dierum abjiciendo unitatem, ut reste
dies ACtronomicus completus: at si pomeridianx sint hora
nihil decrahiatur ex numero dierum ante constiruro
toris, gux prius a media nocte compurabantur, derraha
22, uc nunc compurentur a meridie diei AAronomici cOM
pleci, quemadmodum d supra monuimus.
2. Equandum est tempus, prortus eodem modo,
supra docui in libello de Hypocheli mea nova inserto,
Tabula duplicis ibidem extribix; sed cum hac caurela,
quorieleunque rempus apparens (quale vulgo exhibetur) con
verrendum est in Astronomicum, semver etiamnum decrala
min. 7. lCC. 53. Postquam caerera omnia peregeris. COnt
vero, quando rempus Apronomicum converrendum et
apparens, addas min. 7. seC. 53. Praetex omnia reliqua lc
licer. Atque hoc valere scias in Tabulis Solaribus Frchonin
nis xeque ac Rndolphinis omnibus. Atin Lunaribus d LunX
Solaribus Trchonianis Cola pars prior Pabulx Aquacionis
remporis achibetur, nulla quoque ratione habita dictorut
Min. 7. lCC. 53.
3. Reducendum est rempus cujusque loci ad Meridianun
labulorum, ope Cacalogi locorum claudencis seriem Ta
bularum. stam quae loca Uraniburso Orienraliora sunt,
Tubrra