JB/169/212/001

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Of the mode of closing these apertures nothing may
particular need be said. There are several modes in
use for this purpose closing apertures airtight:
of the materials in question are of an inflexible
nature, for instance such as copper or cast iron for instance
- a conical be employ'd: or the
closing may be performed flann, or by a conical
stopper secures forced down by a flannebis: where
the materials are of a flexible nature, for instance leather, the
exactness of the closing will be facilitated by the pressure of the atmosphere

Where the vessels are to remain airtight for a
length of time, the closing may be formed by
valves

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Identifier: | JB/169/212/001 "JB/" can not be assigned to a declared number type with value 169.
Date_1		Marginal Summary Numbering
Box	169	Main Headings	panopticon versus new south wales
Folio number	212	Info in main headings field
Image	001	Titles
Category	text sheet	Number of Pages	2
Recto/Verso	recto	Page Numbering	d7 f7 / d8 f8
Penner	jeremy bentham	Watermarks
Marginals		Paper Producer
Corrections		Paper Produced in Year
Notes public		ID Number	57032
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