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<p>20</p> | |||
<p>the <add>most</add> original part of the experiments: but <del>being</del> <add>finding himself</add> unable<lb/> | |||
to put them into any sort of form, he applied to<lb/> | |||
my Brother who suggested <add><del>among</del></add> fresh experiments, &<lb/> | |||
<add>put exhibited the small</add> <add>gave an account</add> of the whole in the form<lb/> | |||
in which it stands at present. He has made it<lb/> | |||
about three times as <del>short</del> <add>concise</add> as it was originally,<lb/> | |||
by digesting the result of <del>a</del> <add>the</add> greater part of the<lb/> | |||
experiment into tables. Nairne has found out<lb/> | |||
that the extraordinary <del>degree of exhaustion</del> <add>appearance of perfection</add> of Smeaton’s<lb/> | |||
Air-Pump, as indicated by the <del>Pear-</del> Gage invented<lb/> | |||
by Smeaton<hi rend="superscript">⊞</hi> <note><hi rend="superscript">⊞</hi> (It is called from its shape the Pear-Gage)</note> is <add>in good measure</add> as to the greater part of it fallacious.<lb/> | |||
Nairne and my brother together have found out the<lb/> | |||
cause of <del>it</del> <add>the deception</add>. As the air is exhausted <add>drawn out of any Air Pump</add> the vacuum<lb/> | |||
is supplied by a vapour that is discharged <add>emitted</add> from<lb/> | |||
the wet leather or other moist substances that<lb/> | |||
must almost unavoidably be <del>in</del> used for keeping the<lb/> | |||
receiver <del>tight</del> fast upon the frame. This vapour<lb/> | |||
is recondensed upon the admission of water: which<lb/> | |||
air is not. One sort of gage in consequence exhibits<lb/> | |||
the quantity of elastic vapour of all kinds that is<lb/> | |||
in the vessel: another only the quantity of uncondensable<lb/> | |||
elastic vapour; that is of air.</p> | |||
<p>My Brother intends publishing his papers<lb/> | |||
under the Title of Essays on <add>the</add> Marine, containing<lb/> | |||
<del>boat</del> Disquisitions and Hints relative<lb/> | |||
to the advancement of the Marine Service in<lb/> | |||
general and of Ship-building in particular. He thinks<lb/> | |||
they will stand a better chance of being read in<lb/> | |||
print than in Manuscript. If by that or any other<lb/> | |||
honest means he can get employment in his own<lb/> | |||
<add>country,</add></p> | |||
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{{Metadata:{{PAGENAME}}}}{{ | {{Metadata:{{PAGENAME}}}}{{Ready_For_Review}} | ||
20
the most original part of the experiments: but being finding himself unable
to put them into any sort of form, he applied to
my Brother who suggested among fresh experiments, &
put exhibited the small gave an account of the whole in the form
in which it stands at present. He has made it
about three times as short concise as it was originally,
by digesting the result of a the greater part of the
experiment into tables. Nairne has found out
that the extraordinary degree of exhaustion appearance of perfection of Smeaton’s
Air-Pump, as indicated by the Pear- Gage invented
by Smeaton⊞ ⊞ (It is called from its shape the Pear-Gage) is in good measure as to the greater part of it fallacious.
Nairne and my brother together have found out the
cause of it the deception. As the air is exhausted drawn out of any Air Pump the vacuum
is supplied by a vapour that is discharged emitted from
the wet leather or other moist substances that
must almost unavoidably be in used for keeping the
receiver tight fast upon the frame. This vapour
is recondensed upon the admission of water: which
air is not. One sort of gage in consequence exhibits
the quantity of elastic vapour of all kinds that is
in the vessel: another only the quantity of uncondensable
elastic vapour; that is of air.
My Brother intends publishing his papers
under the Title of Essays on the Marine, containing
boat Disquisitions and Hints relative
to the advancement of the Marine Service in
general and of Ship-building in particular. He thinks
they will stand a better chance of being read in
print than in Manuscript. If by that or any other
honest means he can get employment in his own
country,
|
Identifier: | JB/169/108/004"JB/" can not be assigned to a declared number type with value 169. |
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169 |
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108 |
letter to foster petersburgh |
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004 |
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correspondence |
4 |
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recto |
f17 / f18 / f19 / f20 |
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jeremy bentham |
[[watermarks::l v g propatria [britannia motif]]] |
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caroline vernon |
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letter 248, vol. 2 |
56928 |
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