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<p>Raising weights<lb/> | |||
in loading &c<lb/> | |||
Loading & unloading<lb/> | |||
ships</p> | |||
<p><del>Pressing a Gover</del><lb/> | |||
Working presses<lb/> | |||
Cyder</p> | |||
<p>Driving – piles</p> | |||
<p>Raising – Water<lb/> | |||
out of ships,<lb/> | |||
wells &c</p> | |||
<p>Copper-plate<lb/> | |||
printing</p> | |||
<p>Common printing<lb/> | |||
Turning<lb/> | |||
Sawing<lb/> | |||
Planing<lb/> | |||
Boring<lb/> | |||
Spinning<lb/> | |||
Metal-founding</p> | |||
<p><del>Hand</del> <add>Mere</add> Mill-work<lb/> | |||
in Capsterns</p> | |||
<p>Calendering<lb/> | |||
Plate-Glass<lb/> | |||
grinding<lb/> | |||
Cork-cutting</p> | |||
<pb/> | |||
<p><head><hi rend="underline">Help <add>Aids</add> to Muscular <add><del><gap/></del></add> exertion</hi></head></p> | |||
<p>When a man<lb/> | |||
applies his muscular<lb/> | |||
force in any<lb/> | |||
other way than by<lb/> | |||
his weight what<lb/> | |||
motion he gives to<lb/> | |||
any foreign body<lb/> | |||
is relative to his<lb/> | |||
own: his own<lb/> | |||
is fixed <add>attached</add> to the<lb/> | |||
common mass<lb/> | |||
only by his feet,<lb/> | |||
whenever he exerts<lb/> | |||
himself in<lb/> | |||
standing, which<lb/> | |||
he does in perhaps<lb/> | |||
all other<lb/> | |||
cases except rowing.<lb/> | |||
The <add>medium</add> force with<lb/> | |||
<add>by</add> which he is fixed<lb/> | |||
to the earth is no<lb/> | |||
other than his<lb/> | |||
weight: therefore<lb/> | |||
the force he can<lb/> | |||
exert <del>will depend</del><lb/> | |||
whatever be his<lb/> | |||
muscular strength<lb/> | |||
will depend upon<lb/> | |||
and be limited<lb/> | |||
by: 1. his weight,<lb/> | |||
2. <del>where</del> the<lb/> | |||
perpendicular<lb/> | |||
distance from<lb/> | |||
his feet of the<lb/> | |||
point at which<lb/> | |||
the exertion is <add>applied</add> made<lb/> | |||
<add>or</add></p> | |||
<pb/> | |||
<p>or rather the perpendicular<lb/> | |||
height<lb/> | |||
<del>above an horizontal<lb/> | |||
line<lb/> | |||
above and parallel<lb/> | |||
to the <gap/><lb/> | |||
on which</del> from<lb/> | |||
the horizontal<lb/> | |||
line on which<lb/> | |||
he stands: the<lb/> | |||
effort <add>force</add> with which<lb/> | |||
he can act <add>make</add><lb/> | |||
depends upon<lb/> | |||
his fixity: the<lb/> | |||
fixity depends<lb/> | |||
upon the weight<lb/> | |||
and the height<lb/> | |||
at which a force<lb/> | |||
is applied to<lb/> | |||
overcome it: every<lb/> | |||
effort of his<lb/> | |||
tending to give<lb/> | |||
motion to a foreign<lb/> | |||
body is<lb/> | |||
a force tending<lb/> | |||
to overcome it<lb/> | |||
such fixity.</p> | |||
<p>To produce<lb/> | |||
force by their<lb/> | |||
hands men<lb/> | |||
<del>lean</del> <add>incline</add> themselves<lb/> | |||
<del><gap/></del> to bring the<lb/> | |||
point at which<lb/> | |||
they apply their<lb/> | |||
force nearer to<lb/> | |||
the abovementioned<lb/> | |||
<add>base</add></p> | |||
<pb/> | |||
<p>base of their<lb/> | |||
fixity, or raise<lb/> | |||
their feet or<lb/> | |||
foot to acquire <add>obtain</add><lb/> | |||
a new and more<lb/> | |||
advantageous<lb/> | |||
base of fixity.<lb/> | |||
A very inclined<lb/> | |||
position is troublesome,<lb/> | |||
because<lb/> | |||
as soon as you<lb/> | |||
are passed the<lb/> | |||
center of gravity<lb/> | |||
no exertion is<lb/> | |||
necessary to prevent<lb/> | |||
your falling: but in<lb/> | |||
turning a winch,<lb/> | |||
where the <add>main</add> body<lb/> | |||
is stationary,<lb/> | |||
and the force is<lb/> | |||
produced chiefly<lb/> | |||
by the contraction <add>extension</add><lb/> | |||
<del>of</del> contraction of<lb/> | |||
the arms, to admitt<lb/> | |||
of the force<lb/> | |||
being as great as<lb/> | |||
the muscular<lb/> | |||
exertion can<lb/> | |||
produce, that<lb/> | |||
is to ensure an<lb/> | |||
undisturbed fixity<lb/> | |||
to bring his<lb/> | |||
fixity to its maximum,<lb/> | |||
a fixed<lb/> | |||
frame <add>rail</add> at the<lb/> | |||
height of his<lb/> | |||
<add>shoulders</add></p> | |||
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{{Metadata:{{PAGENAME}}}}{{ | {{Metadata:{{PAGENAME}}}}{{Completed}} | ||
Raising weights
in loading &c
Loading & unloading
ships
Pressing a Gover
Working presses
Cyder
Driving – piles
Raising – Water
out of ships,
wells &c
Copper-plate
printing
Common printing
Turning
Sawing
Planing
Boring
Spinning
Metal-founding
Hand Mere Mill-work
in Capsterns
Calendering
Plate-Glass
grinding
Cork-cutting
---page break---
Help Aids to Muscular exertion
When a man
applies his muscular
force in any
other way than by
his weight what
motion he gives to
any foreign body
is relative to his
own: his own
is fixed attached to the
common mass
only by his feet,
whenever he exerts
himself in
standing, which
he does in perhaps
all other
cases except rowing.
The medium force with
by which he is fixed
to the earth is no
other than his
weight: therefore
the force he can
exert will depend
whatever be his
muscular strength
will depend upon
and be limited
by: 1. his weight,
2. where the
perpendicular
distance from
his feet of the
point at which
the exertion is applied made
or
---page break---
or rather the perpendicular
height
above an horizontal
line
above and parallel
to the
on which from
the horizontal
line on which
he stands: the
effort force with which
he can act make
depends upon
his fixity: the
fixity depends
upon the weight
and the height
at which a force
is applied to
overcome it: every
effort of his
tending to give
motion to a foreign
body is
a force tending
to overcome it
such fixity.
To produce
force by their
hands men
lean incline themselves
to bring the
point at which
they apply their
force nearer to
the abovementioned
base
---page break---
base of their
fixity, or raise
their feet or
foot to acquire obtain
a new and more
advantageous
base of fixity.
A very inclined
position is troublesome,
because
as soon as you
are passed the
center of gravity
no exertion is
necessary to prevent
your falling: but in
turning a winch,
where the main body
is stationary,
and the force is
produced chiefly
by the contraction extension
of contraction of
the arms, to admitt
of the force
being as great as
the muscular
exertion can
produce, that
is to ensure an
undisturbed fixity
to bring his
fixity to its maximum,
a fixed
frame rail at the
height of his
shoulders
|
Identifier: | JB/108/108/002"JB/" can not be assigned to a declared number type with value 108. |
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108 |
panopticon |
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108 |
heads & plans mechanics |
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002 |
/help / aids to muscular exertion |
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rudiments sheet (brouillon) |
2 |
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recto |
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|
jeremy bentham |
[[watermarks::l munn [britannia with shield emblem]]] |
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benjamin constant |
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35611 |
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