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.
Søgning i bogen
Den bedste måde at søge i bogen er ved at downloade PDF'en og søge i den.
Derved får du fremhævet ordene visuelt direkte på billedet af siden.
Digitaliseret bog
Bogens tekst er maskinlæst, så der kan være en del fejl og mangler.
Theorem. 11.
{( If there be four pieces of Nlettal,
<e whereof the -third is of the fame Kind
“ with thefirft, and the fourth ofthe fame
a Kin J wifh the fécond, and the fini anà
“ fécond be of equal greatnefs, and the
cf third and fourth of equal weight, the
(tf weight of the firit and fécond fhall be
ee reciprocally Proportional to the'Magni-
's tudes of the third anå fourth .
Theorem. Hl.
f* H Spheres of the lame Matter, are
Cc in Gravity or Weight as the Cubes of
‘c their Diameters, are in Magnitude, 6/
i<r contra.
Theorem, IV,
(r Pieces of Mettal, if they be ofe^ual
i( ^Magnitude, have their weightsin direct
e( proportion; But if they be of equal
**" weight, they have their ^Magnitudes
e< in reciprocal Proportion.
To prove that the weight of the Ær
forces "Fluids as it wave feemingjy to hang
lrî a Tube to inch a heighth according to
the