JB/106/013/002

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Flash P. Dec:r 1793 Flash & Steam
Engine

The power of a
Steam Engine is
limited by the Diameter
that can
be given to the Piston:
that of a Flash
Pump has no limitation.

Steam can not
act but in proportion
as it is compressed
and prevented from
escaping confined.

The pressure is
between the surface
of the water and
the bottom of the piston.

Do what you will
with the steam, it
can not act but in
proportion as it applies
itself to an
obstacle. moving in reciprocating
a channel. Its
power will therefore
be limited by the
diameter that can
cou?inually be given
to the channel and
by the weight or
other power of resistance
that can be
given to the obstacle

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Collect the Tables giving the proportion os expansion in air to the quantity of caloric applied to it As oxygen is but 1/4 of the air no more 'caloric can be ?? applied than is contained in that 1/4 parT: even ??eppering the fewel to be ?? applied as to employ the whole of the air. But the increase in temperature resulting from the decomposition of that quantity of oxygen is known by Lavoisiers experiments: and if the degree of expansion is likewise known this will shew the utmost proportion of air that can be driven out by a flash. If the first flash has been perfectly performed, nothing can be gained by a second but in proportion as the air has been changed in the

Identifier: | JB/106/013/002"JB/" can not be assigned to a declared number type with value 106.
Date_1	1793-12	Marginal Summary Numbering
Box	106	Main Headings
Folio number	013	Info in main headings field	flash-pump
Image	002	Titles	flash & steam engine
Category	text sheet	Number of Pages	2
Recto/Verso	recto	Page Numbering
Penner	jeremy bentham	Watermarks	[[watermarks::[w with crown] [lion motif]]]
Marginals		Paper Producer
Corrections		Paper Produced in Year
Notes public		ID Number	34601
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