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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 32, page id 1677894601:0042
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=42
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 34 lines, status machine
# Lines: 34 recognised, mean confidence 0.93
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By curnino che Prilm ABC. RoIy eo and Fro aboue its
Axis this Imase will be made ro more ux and donn che
Board de, and by chis means allits parts trom onc end to
the ocher mar be made eo pals successively chronoh the
hole s which is made in the middle of chac Board. In the
mean while anocher Prilm ab c iS to bc Axed nexe atrer
chac hole e to retract the crajected Lighe a second cime.
And chele chines beins chus ordered, l marked che places
UI and NV oF che oppolire Wall upon which the refracted
Lighe Fell, and Found chac whils the erro Boards and second
Prilm remained unmored, chole places by curmins the trst
Prilm abour ies Aris ivere changed perperuallr. For When
thc lorver pare of che Lighe which tell uxon che second
Board de Was cast chrouoh the hole e ic went to a lorver
place M on che WVaII, and when che hioher parE OF ChAE
Liphe vas cast chrough che lame hole g, ic vent ro a higher
Place NI on che W all, and when any incermediare pare ot
he Liohe Wras cast chrough chat hole ic venero lome place
on che W all becircen MI ard H. The unchanged Policion
OF che holes in che Boards, made the Incidence ot che Rays
lipon che second Prilm to be che lame in aIl cales. And
vec in chac common Incidence lome oF che Rays ere more
retracted and others lels. And chole ivere more retracted
in ehis Prilm erhich by a greater Retraction in the AirI
Prilm ere more turned out ot the maz, and cheretore For
cheir constaney ot beins more retracted are deserredly cal-
led more Retrangible.
Exper. 7. Ac cuo holes made near one anocher in my
Windo-Phuc I placed cro Prisims, one ar cach, irhich
mighe cast upon che oppolire Wall (atter the manner ot
the chird Experimene) tro oblons coloured Images ofche
Sun. And ac a licele distance trom che Wall I placed a
lons Pender Paper wich straiohe and Parallet edges, and
ordered