# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/820424455:0030
# Permalink to this reading: https://leibnizlegible.com/page/820424455:0030?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 8, page id 820424455:0030
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=820424455&page=30
# Source image: https://digitale-sammlungen.gwlb.de/content/820424455/jpgs/default/00000030.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 42 lines, status machine
# Lines: 42 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.

ASIRONOMTFA.
il 1b.
cum culminare dicuneur. Orrus _ Occasus ad Forizontem,
vel metsio man comenncus nlu circumacto detinie, qua
calum enu certa qualt commisura quadam junsi videtur.
Hlunc alium subinde arque alium debniri, prour oculus specta-
toris in superticie globosa locum Corcitur, acque ob hoc
mucabilem dici, quivis intel-
ligir. Ouem vero hic de-
scriplimus, Hlorizon est sen-
sibilis, quippe sentu defini-
cus, a quo distert rationalis.
mence concipiendus cransire
per centrum terrae, parallelus
nimirum sensibili, de cum
eodem ad exrremum usque
calum undique continuacus;
ita ue apud sxaS, ubi cellus
non nili puncti rationem ob-
tinet; vtrumque planum ad sentum coalescere existimeus.
Meridianus porro est circulus a verrice cujusque spectatoris
per Meridianum solem de culminantia astra verlus Hori-
ZOntem inCuEVaTIIS. Hunc non mutamus, si recta in austrum
vel seprentrionem expariemur; sed cantum in orientem vel
occidentem proeresi.
Duiliber cnarratorum quatuor circulorum polos habet
Auos, inter quos exacte medius olobum dirimie in duo he-
misphaeria; led ex se mutuo bilecant in semicirculos, S per
sinculorum (excepto Meridiano) polos describuntur circuli
secundarii, qui principales uos ubique ad angulos rectos
Bisecant. Fic cum his quatuor circulis universa doctrina
Sphaerica, tanquam quatuor columnis superstruatur; ideo-
que singuloruri adjuncta deinceps actencius paulo expen.
denda veniune.
Equaroris igirur poli sunt iidem, qui Mundi, Arcticus
e Ancarctions, ille a vicinis acterismis Aectorum sive
Urtarum
quentamodum cummao ad MMeridianum contingit. FH
vero cadrizon magnus ille circitus, quem quisque in planicie
ETOri
HOriz0.
rati