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The fla match
can not well be
convey'd into the
flash-chamber
at any of the
mouths: it would
be wilted by water
dripping from
the uppper part
of the mouth.
It must be introduced
either
laterally at an
aperture higher
situated in short
situated above the
greatest rise of
the water, or
perpendicularly
through the
middle of the
cover
Instead of a Neck
on a floor of cast
iron, just below
the lowest level of
the water in the
pond, opening by
valves in as many
places as possible.
The will save the
expence of pipes
and nothing more
will be necessary
than a square
hollow tower of the
same diameter as
the flash-chamber
all the way down.
like the fetching of ?? common pump.
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The mouth of the flash-chamber may occupy nearly the whole extent of one of the sides of the square. FOr a valve either 1. Either a ?? clap--door of iorn or wood the?? cased with thick iron sliding up and down in a groove - or 2 a fixt grating of flat bars on the outside, and behind it in the inside a similar grating to slide so that uts bars chall alternatively fill coincide with the bars of the outer one, or exactly fill up the spaces between them Advantages of the 1st valve 1. The discharge will be performed in half the time 2. There will be fewer points of contact to afford room for leakage. DIsadvantages. It will require a force immensely greater to woork it: It must be at least double the weight) 2.
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Identifier: | JB/106/012/003"JB/" can not be assigned to a declared number type with value 106. |
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106 |
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012 |
flash-pump |
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003 |
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text sheet |
2 |
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recto |
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jeremy bentham |
[[watermarks::l munn [britannia emblem]]] |
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benjamin constant |
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includes drawings |
34600 |
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