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# Title: Leibniz-Handschriften zur Optik und Dioptrik LH 37, 2
# Folio 58r, page id 00068531:0115
# Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 60v); this page is its right half.
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068531&page=115
# Source image: https://digitale-sammlungen.gwlb.de/content/00068531/jpgs/default/00000115.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 33 lines, status machine
# Lines: 33 recognised, mean confidence 0.85
# 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.

m. puchler me l’a envoye sela part de celuy qui abrege les
Mransactions, iR 1704
OTulL t dlL. L L LCt
3
Reud at a Mectinu of che Royab
2
Society Januury 8, O.  770:
by John Lorothorp A. M: HIR: S. S.
lLaving che L’ocall L engh of a Plano- Convea
Burnino Glaß (The l lane side berng exposd Woche
Sun) and consequently che Diumeter of che Buminu
Space (rohich is allivais equul to che dolar Image
defind in che distincb Base) 10 find che Leusb.
breadch of che Glaso roith che utmoob posoible T’orce.
ligure Solution. En che sirst Figure Lieb S M beche.
J. Axis os a Cylinder os Kays flourng fromche Genter
the
os che Sun: and C C,  Radius of the Convex side
os che Burning Gluss C A B: madee S C, 10S C.
as the dines of Incidence to chose of F mersion; and
OS, eguall Wo che Diumeter os the dalar I mage in
the Dinslinct Base. J hen roith che Distance 5. (
upon che Center d. Strike ihe Arch (+ C, of about
F5 Degrees, and drau che line BC1, Intersecting che
Ach (+ B, in A. From chis Point of intersection
Drop one Terpendiculur, A d, on che l une 8. C.
catended 1o a: and another A 8. sin.. 1y
 on che Aais SC. In the Ligure chuo conotrueled
ad A d: 18 1o88::00 15 che cube of A 8: 1o ihe Bube
very near) os che demidiameter of che Glass requird.
Begond rohich no Rays of. J ighb. trom any part os che
duus Diste ill be Refracted W0 any part of che Burninus
Space