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of the several processes are respectively to be introduced —<lb/> | of the several processes are respectively to be introduced —<lb/> | ||
This may be of < | <del>This may be of cast iron</del><add>As to its material it</add>:<del>or</del><lb/> | ||
The bulk of it will of course be regulated by<lb/> | The bulk of it will of course be regulated by<lb/> | ||
the the <sic>seale</sic> on which it is proposed to operate. Like<lb/> | the the <sic>seale</sic> on<add><del>o</del></add> which it is proposed to operate. Like<lb/> | ||
the vessels of a large Brewery, it may be of the size<lb/> | the vessels of a large Brewery, it may be of the size<lb/> | ||
of a large room In general it should be no larger<lb/> | of a large room In general it should be no larger<lb/> | ||
than necessary, since the greater the space left: unoccupied by<lb/> | than necessary, since the greater the space left: unoccupied by<lb/> | ||
the subject in question, the greater the quantity of air <del><gap/></del> to be extracted.<add><del>As to the materials it may be<add>made | the subject in question, the greater the quantity of air <del><gap/></del> to be extracted.<add><del>As to the materials it may be</del><add><del>made cheapest</del></add> <add><del>of cast iron: or where</del></add><lb/> | ||
<del>For which</del> In the same view, there may be an advantage in<add><del>A is too large to be cast were in <gap/> it may be</del></add><lb/> | <del>For which</del> In the same view, there may be an advantage in<add><del>A is too large to be cast were in <gap/> it may be</del></add><lb/> | ||
some cases in adapting the form of the chamber in some <add><del>made of copper as brewers vessels are</del></add><lb/> | some cases in adapting the form of the chamber in some <add><del>made of copper as brewers vessels are</del></add><lb/> | ||
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<del>Where</del> Of course it would not be made of the same shape <add><del>soldered, so a vessel of cast iron for this purpose</del> </add><lb/> | <del>Where</del> Of course it would not be made of the same shape <add><del>soldered, so a vessel of cast iron for this purpose</del> </add><lb/> | ||
for a plank of timber as for a barrel of provision. Where<add><del>be cast in pieces and only the pieces must</del></add> <lb/> | for a plank of timber as for a barrel of provision. Where<add><del>be cast in pieces and only the pieces must</del></add> <lb/> | ||
flatness is not necessary, convexity will <add>be preferable on account of the</add> <del>give an</del> advantage it gives<add><del>be joined not as they can not be</del> as cast iron </add> | flatness is not necessary, convexity will <add>be preferable on account of the</add> <del>give an</del> advantage it gives<add><del>be joined not -by as they can not be</del> as cast iron </add><lb/> | ||
in point of strength.<add><del>will not solder <gap/> only <gap/> be joined by <gap/></del></add> | in point of strength.<add><del>will not solder <gap/> only <gap/> be joined by <gap/></del></add> | ||
<del>fitting, for instance by <gap/> brought together</del> | <del>fitting, for instance by <gap/> brought together</del> | ||
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will be flat for the sake of steadiness: or it will have no<lb/> | will be flat for the sake of steadiness: or it will have no<lb/> | ||
bottom of its own, but stand upon a floor from whence<lb/> | bottom of its own, but stand upon a floor from whence<lb/> | ||
it may | it may occasionally be raised.</p><pb/> | ||
| Line 37: | Line 37: | ||
I. ExhaustedAs to the Vacuum Chamber or Receptacle
to bewhich is exhausted of its air, and into which the subjects
of the several processes are respectively to be introduced —
This may be of cast ironAs to its material it:or
The bulk of it will of course be regulated by
the the seale ono which it is proposed to operate. Like
the vessels of a large Brewery, it may be of the size
of a large room In general it should be no larger
than necessary, since the greater the space left: unoccupied by
the subject in question, the greater the quantity of air to be extracted.As to the materials it may be<add>made cheapest of cast iron: or where
For which In the same view, there may be an advantage inA is too large to be cast were in it may be
some cases in adapting the form of the chamber in some made of copper as brewers vessels are
measure to the form of the subject to be contained in itAs Copper vessels are made in pieces, and the pieces
Where Of course it would not be made of the same shape soldered, so a vessel of cast iron for this purpose
for a plank of timber as for a barrel of provision. Wherebe cast in pieces and only the pieces must
flatness is not necessary, convexity will be preferable on account of the give an advantage it givesbe joined not -by as they can not be as cast iron
in point of strength.will not solder only be joined by
fitting, for instance by brought together
by : in which case the juncture may be secured by
lead: by melted lead.
As to the form, the nearer it approaches the
the spherical the better stronger as against the pressure
of the external and surrou atmosphere. Say hemispherical, or cylindrical, the superiorupper part of the cylinder
terminating in a sphere. In many cases the bottom
will be flat for the sake of steadiness: or it will have no
bottom of its own, but stand upon a floor from whence
it may occasionally be raised.
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Identifier: | JB/169/210/001"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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210 |
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001 |
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text sheet |
1 |
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recto |
d3 / f3 |
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jeremy bentham |
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57030 |
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