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# Title: Opticks: Or, A Treatise Of The Reflexions, Refractions, Inflexions and Colours Of Light (shelfmark Leibn. Marg. 193)
# Folio 57, page id 1677894601:0233
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1677894601&page=233
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 31 lines, status machine
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COme Fran(DAPCHE) OE tO make mans ot tliem alociate
into one cluster, Wrhereby tuo transparent liguors may
compose a coloured onc. For re see hour ape thole
Taline menstruums are to penetrate and dissotre sub.
stances to wrhich ther are applied, and lome ot them
to precipitate what ottiers dissolre. In like manner, it
Wre consider the rarious Phaenomena of the Atmosphaere,
re may obserre, that wrhen Vapors are tirstrailed, ther
hinder not the transparener ot the Air, beins dirided
into parts t0o mail to caule an reflexion in their super-
ticies. But wrtren in order to compose drops ofrain they
begin to conlesce and constitute slobules ot aIl inter-
mediate Rres, thole globules irtien ther become ot a
convenient sive to reflect fome Colours and transmit
Others, mar constitute C louds ot various COlOurs aCcOr
ding to their (2CS. And I sec not irtrat can be ratio-
nullu conceired in (o transparent a substance as Water FOr
the production of these Colours, Desides the various
Eires oF its Auid and globuler Parcels.
PR OP. VI.
The parts of Bodies on rehich their Colours dépend
are denser than the medium, rehich pervades their in
terstices.
This rill appear by considerine, that the Colour ot
a Body depends not ontr on the rars wrhich are inci-
dent perpendicularty on its parts, but on thole allo
ertrich are incident at aIl other Angles. And that ac.
cordinq tothe 7th Obserration, a very litule variation
et obliguity will chanse the refected Colour irhere the
thin body or Imall particle is rarer than the ambient
medium,