# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/1677894601:0311
# Permalink to this reading: https://leibnizlegible.com/page/1677894601:0311?run=74
# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 135, page id 1677894601:0311
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=311
# Source image: https://digitale-sammlungen.gwlb.de/content/1677894601/jpgs/default/00000311.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 33 lines, status machine
# Lines: 33 recognised, mean confidence 0.92
# 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.

du. II. Donot preat Bodies conterre their heat the
longest, their parts heatins one another, and may not
sreat dense and fx d Bodies, irtien heated berond à
certain degree, emit Light Pocopiousr, as by the emis-
hon and reaction ofits Light, and the resexions and re-
Fractions oF its rars rithin its pores to gro sill hot.
ter. till it comes to a certain period ot heat, fuch a5 15
THAE OEFhe SUIN : And arC nOt the SuM and AX d SFAES
sreat Farths rehementiy hot, whole heat is conserred
Oy the greatness of the Bodies, and the mutual action
and reaction betreen them, aud the Lioht wrhich they
emit, and irhole partsare kept trom tumins array, not
only by their fixier, but allo by the rast reistit and
densier of the Atmospheres incumbent upon them, and
very sronsly compressins them, and condentins the va-
pours and exhralations irhich arise From them:
Du. 22. Donot therars oF Lighe in falling uxon the
bottom oF the Fre excite ribrations in the lunica re
tina: Which ribrations, Deins propasated alone the
Colid fibres of the optick Nerres into the Brain, CaulC
the sense of secins. For becaule dente Bodies conserre
their heat a lons time, and the densest Bodies conterre
their heat the longest, the ribrations oF their paPtS arC
oF a lastins nature, and theretore may be propasatect
alons solid tibres ot unitorm dense matter to a great di-
Stance, For convering into the Brain the imprestions
inacte uxon aIl the Orsans of sense. For that motion
erhich con continue lons in one and che lame part of a
Bodi, can De propasated a lons ray ErOm One ParFtO
another, supposine the Body homogeneal, (0 that the
motion may not be retlected, retracted, interrupted oE
disordered by any unerennels oFthe Body
Ibo