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Where in order to iIn many cases of impregnationand transmission the fluid, with
which it is intendedshould be forced through or into the subject matter, should be impregnated,
finds its intended place already occupied by
another fluid which it must consequently drive out.
In these cases an advantageous way of effecting the
introductionsubstitution<add>exchange is to keep the subject
exposed by one of its surfaces to the external atmosphere,
while the its surface opens into the
Vacuum Chamber so to order matters that the inclosure
of the subject matter in the Vacuum Chamber
shall be partial only, one part covered with thehaving one part exposed with
no other covering than that of the impregnating fluid exposed to the pressure of the
external atmosphere, with no other covering than
that of the impregnating fluid.
Suppose it for example a skin which is to
be impregnated with the of liquids respectivelyand for
tanning or currying. The Vacuum Chamber is openAt top the top,<add>the materials of
atmosphere in the form of texture<add>materials</add>of the Vacuum Chamber instead of being airtight
is composed of a perforated substance suchare of<add>apermeable material
as a cloth of an open texturetight<add>are toareof a permeable texture, in the manner
of a sieve, less form of a of such aof a convenient degree of fineness, with
degree of fineness as is found supported
a support of strength proportioned to its extent, and
according to its extent by bars or lattice
work or gratingcomposed for instance of bars, or lattice work<add>sieve. Upon this supportsieve the skin being
being stretched, is covered with the fluid. The skin, being of
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Identifier: | JB/169/217/001"JB/" can not be assigned to a declared number type with value 169. |
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169 |
panopticon versus new south wales |
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217 |
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001 |
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text sheet |
1 |
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recto |
d1 / f17 |
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jeremy bentham |
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57037 |
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