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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 20, page id 1677894601:0192
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=192
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 31 lines, status machine
# Lines: 31 recognised, mean confidence 0.89
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DBS. AYCL.
IF a Bubble be Blonn writh Nater Arst made tenacious
by dissolrins a licele Soap in il, tis a common Obser-
rarion, that alter a wrhile it will appear tinged with a
sreat rarietr ot Colours. To detend thele Bubbles
From beins axitated by the external Rir (erhereby their
Colours are irregularty mored onc amons another, (0
thatno accurate Oblervation can De iade ot theII) 25
Toon a5lhad blonn any ot them I covered it with a
clear Class, and by that means its Colours emerged in
a verr regulai order, like so manr concentrick Rings
incompastins the cop oE the Bubblc. And as the
Bubble grer thinner by ehe continual subsidins oF the
Water, these Rings dilated llorrly and over- spread thc
ertrole Bubble, descendins in order tothebottom ol it,
ertrere they vanistred successivelr. In the mean Wrhile,
alter all the Colours irere emerged at the top, there
ore in the Center of the Rines a CmaIl round black
Spoc, like that in the Ars Oblerration Which conti-
nuall dilated it SelE tilL IE DCCaME LOICtIIES MOTC FHan
ox 2 ot an Inch in breadth betore the Bubble BTOke:
AFArK Ichoughechere had been no LishereRected From
the Water in that place, but oblerving it more cu-
riouslr, I Car ithin it sereral Cinaller round SpOtS,
ertrich appeared much blacker and darker than the rect,
Wrherebr lHne that there iras lome reflexion at the
other places irhich ivere not (0 dark as those Spots.
And by Further eryal Itouud chatl could sec the lmases
ot lome thines (as oF a Candle or thc Sun) very faint-
Ey refsected, noc ontu trom the sreat black Spot, but
aHC