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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*S a Vacuum lihall endeavour to fhewhow
this Vacuum is made, andin whatinanner
this Force isappty’d to drive the Ma-
chine.
Tn Tome convenient part o-f the Tow-
Boat, there is placed a VeiTel about two
jâsfull of water, with ihe Top doled and
this VeiTel being kept Boiling, rauitkfi the
Water into a Steam, this Steam being
convey’d thro’ ft large Tipe into a Cylin-
drical Vene], and there condens’d, makes
a Vacuum, which caufes theweight of-the
Atmoiphere to prefs on this Veffri, and
fo prefies down a Tifton that is fitted into
this Cylindrical Veffel, in the fame man-
ner as in Mr. jVewcowe/if Engine, with
which he raifes "Water by Tire. ßee. fig,
3tO
P. The Pipe coming, from the "Furnace
to the Cylinder.
the Cylinder wherein theSteani is
Condemed.
_R, the Valvethat flops the Steam from
Coming into the Cylinder, yyhilft the Steam
within the iàme is co »den fed.
S, rhe Pipe io convey the con åen
Water in-to the Cylinder.
9", a Cock to let in the condennngWa-
ter when the Cylinder is full of Steam and
the Valve ? is ïhut.