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Experiments and Considerations Touching Colours (1664) by Robert Boyle
page 13 of 285 (04%)
Superficial reflecting Particles of them may be_ (28.) _and of what Bulks,
and closeness of Position_ (29.) _How much these may conduce to the
Generation of Colour instanc'd in the Whiteness of Froth, and in the
mixtures of Dry colour'd Powders_ (30.) _A further explication of the
Variety that may be in the Superficial parts of Colour'd Bodies, that may
cause that Effect, by an example drawn from the Surface of the Earth_ (31.)
_An Apology for that gross Comparison_ (32.) _That the appearances of the
Superficial asperities may be Varied from the position of the Eye, and
several Instances given of such appearances_ (33, 34, 35.) _That the
appearance of the Superficial particles may be Varied also by their Motion,
confirm'd by an Instance of the smoaking Liquor_ (35.) _especially if the
Superficial parts be of such a Nature as to appear divers in several
Postures, explain'd by the variety of Colours exhibited by the shaken
Leaves of some Plants_ (36.) _and by changeable Taffities_ (37, 38, 39.)
_The Authors wish that the Variety of Colours in Mother of Pearl were
examin'd with a_ Microscope (40.) _And his Conjectures, that possibly good_
Microscopes _might discover those Superficial inequalities to be Real,
which we now only imagine with his reasons drawn partly from the
Discoveries of the_ Telescope, _and_ Microscope (41.) _And partly also from
the Prodigiously strange example of a Blind man that could feel Colours_
(42.) _whose History is Related_ (43, 44, 45.) _The Authors conjecture and
thoughts of it_ (46, 47, 48, 49.) _and several Conclusions and Corollaries
drawn from it about the Nature of Blackness and Black Bodies_ (50, 51, 52.)
_and about the Asperities of several other Colour'd Bodies_ (53.) _And from
these, and some premis'd Considerations, are propos'd some Conjectures;
That the reason of the several Phænomena of Colours, afterwards to be met
with, depends upon the Disposition of the Seen parts of the Object_ (54.)
_That Liquors may alter the Colours of each other, and of other Bodies,
first by their Insinuating themselves into the Pores, and filling them,
whence the Asperity of the Surface of a Body becomes alter'd, explicated
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