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Hooke, Robert, 1635-1703

"Micrographia Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses with Observations and Inquiries Thereupon"

and these
strangely intangled, or interwoven one within another: The texture of this
Touch-wood seems more like that of a Lock or a Fleece of Wool, for it
consists of an infinite number of small filaments, all of them, as farr as
I could perceive, of the same bigness like those of a Sponge, but that the
_filaments_ of this were not a twentieth part of the bigness of those of a
Sponge; and I could not so plainly perceive their joints, or their manner
of interweaving, though, as farr as I was able to discern with that
_Microscope_ I had, I suppose it to have some kind of resemblance, but the
joints are nothing neer so thick, nor without much trouble visible.
The filaments I could plainly enough perceive to be even, round,
cylindrical, transparent bodies, and to cross each other every way, that
is, there were not more seem'd to lie _horizontally_ then _perpendicularly_
and thwartway, so that it is somewhat difficult to conceive how they
should grow in that manner. By tearing off a small piece of it, and looking
on the ragged edge, I could among several of those _fibres_ perceive small
joints, that is, one of those hairs split into two, each of the same
bigness with the other out of which they seem'd to grow, but having not
lately had an opportunity of examining their manner of growth, I cannot
positively affirm any thing of them.
But to proceed, The swelling of Sponges upon wetting, and the rising of the
Water in it above the surface of the Water that it touches, are both from
the same cause, of which an account is already given in the sixth
Observation.


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