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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 76, page id 1677894601:0086
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=86
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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 0.92
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lenocti, made rich a concare Fre-Olass, I conld read at a
preater distance with my omn Instrumene chan wich che
Cla(5. Vec Objects appeared much darker in ic chan in chc
Olass, and chac parely because more Lighe was los by re-
Rexion in che Mecal, chen by refraction in the Cla(s, and
parcly because my Instrumene ras overcharoed. FTad ic
magnitied buc 30or 25 times it mouldhare madeche Object
appear more briske and plealane. Tiro oF chelelmade abour
16Tcars 200, and trare one ot chem Aill by me by whick
P. Can prove che cruch of whac l wrice. Tec it is noc l0g00d
25 ac the Arst. For che concare has been divers rimes car-
nistred and cleared again, by rubbing ic wich rery Potc L ca-
cher. When I made chese, an Arrist in London underrook
eo imicace ic; buc ulins anocher war ot polistring chem
ehan I did, he FelI much PhOrE oF what I had actained tO,
25 I alcermards understood by discourtino the under- W Ork-
man he had implozed. The Polish luled as on chisman-
ner. Phad erro round Copper Places cach sx Tnches in
Diameter, the one conrex chie ocher concare, ground re-
ey crue to one anocher. On the conrex I oround che Ob-
ject. ecal or concare irhich iras eo be polistid, eill ic had
calcen the Fioure ot the conrex and was readr For a Polistr.
Fhen Ipicched over che conrex very chinly, by dropping
melced pitch uxon ic aud warmine ic eo kecp the pirch
TOF, Wrhilst I ground ic rich the concare Copper werred to
makie ic spread erenty all over the convex. Phusby work-
ins ic well I made ic as thin 25a Croac, and atcer the con-
rex ras cold Iground ic again 1o sire it as true a Figure 25
Icould. Then P cook Pucer wrhich L had made very fine
by walhins ic trom all ies groller Particles, and lavins a lic-
de oF chis upon the picch, I ground ic uxon che Pirch wich
che concare Copper till ic had done makins a noise; and
then upon che Pirch Peround che Object. Mecal with a brisk
Mocion