JB/106/011/002

Click Here To Edit Flash Pump Potatoes - baking in boiling which cheapest. Calculated from Townsend's bakers - Ok but certainly baking cheapest - Boiling heats a great

1

Rise of water
as quickhigh as possible

2

Rise of water, as
quick as possible
therefore

3

Combustion as quick
as possible

4

Strokes as many as
[line diagram] as possible in a given
time Therefore

5

Refrigeration as
quick as possible

6

Discharge of the
water as quick as possible.

Operator out of
reach of the blast,
which ever way
the wind lies

The water discharging-mouths
serve as far as they
go for air discharging
mouths

The neck of
tubes as large as
possible so that the
magnitude does not
prejudice the close
-fittingness of the
valves.

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Let fall a
great stone+,
after the lid
is shut down,
to make a splash,
& accelerate the
corbing of the
air

— 18
Refrigeration

+ a weight constructed
on purpose
and alternatively
let fall
and hoisted up
again by a chain
or rope

Better still a
shower of water
let fall from above
through holes
in a false cover
as in a cullender

After all

A given bulk
of air leaking in
at top, will only
prevent the admission
of an equal
bulk of water
at bottom.

+ not left undeterminate
in that
manner, but with
a determinate ring
exactly filling

Valve

equal & similar
are rows of
bars: the inner row
sliding so as either
to coincide with the
outer row, or to fill up
the interstices left by it.

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To make the
closing of the central
hole in the
cover tigh air-tight,
top the cover
with a bag
of wet heather
but so much
larger as to swing
all round it

The closing may
be favoured by
making the aperture
conical -
a solid cone letting
Down into a hollow
cone

Suppose both
polished brass
and greased.

Let the solid
cone sink a
little below the
surface, leaving
a hollow where
the casecover or down,
which the swinging
bag may
fill when it
falls

Fill it with
shot and water
or with clay and
water Or

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Or rasther
the stamp on
the swinging
-bag of closing-
bag) with a
stroke of a screw

The fall of
the match
might pull
a trigger which
should set fire
to it - But are
flint &
steel sufficiently
to be depended
upon?

The match
might easily
be prevented
by a surrounding
ring from
falling upon
the point so
as to blunt it
and prevents
its catching fire

19

Match dry

The expence
of rangingplacing the
straws would
by no means
be thrown away.
The more sudden
the ascension,
the more
flashes might be

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Identifier: | JB/106/011/002"JB/" can not be assigned to a declared number type with value 106.
Date_1		Marginal Summary Numbering	1-6, 18-26
Box	106	Main Headings
Folio number	011	Info in main headings field	flash-pump
Image	002	Titles
Category	marginal summary sheet	Number of Pages	2
Recto/Verso	recto	Page Numbering
Penner	jeremy bentham	Watermarks	[[watermarks::l munn [britannia emblem]]]
Marginals		Paper Producer	benjamin constant
Corrections		Paper Produced in Year
Notes public	includes drawings	ID Number	34599
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