The First Steam-Boat
Forfatter: Jonathan Hulls
År: 1860
Forlag: E. & F. N. Spon
Sted: Bucklersbury
Sider: 48
UDK: 629.120(09)
Description And Draught Of A New-Invented Machine For Carrying Vessels Or Ships Out Of, Or Into Any Harbour, Port, Or River, Against Wind And Tide, Or In A Calm.
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< 17 )
ing feparat ed. Properly {peaking there
is no perfect Fluid in Nature, by Reason
of their Attration -,for Mercury, the mort
pejfeÄ Fluid, is not exempt from it.
Ofthe .Actions of Irtoyms a gain fl the bot-
toms and Sides of theJ/effel that contains
them.
.As the 'Prefiiire of the Liquids is 0«
very way Editai, the Bottom anol Siåes
are prefs’d as much as the neighbouring
Parti ofihe Liquids;, therefore this Ac-
tion increafesin proportion to the Height
of the Liquid, and is every way Equal at
the fame T>epth , depending,altogether up-
on the Height, and notat all upon the
Quantity of the Liquid, Therefore when
the Height of theLiquid and the Ii'gneß
of the Bottom remain theiàme, the Ac-
tion upon the Bottom is always Equal,
however the (hape of the Body be chang-
ed J In every Cafe the Treffure fuftain’d
in the Bottom is equal to the weight of a
Column of Water, whofe Bâfe £s from the
■Bottom itfelf, and the Height of the Ver-
tical cliftan.ee of theUpper Surface of-the
Water from -the Bottom of itfelf.
To Ex plain which, ‘fake a Cylinder of
a certain Ba fl that will hold perhaps a.
B J G allo it y