Vertical Steam-Pump. Page: 3 of 3
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454,498
ports 8 and out past valve 14 into passage G
and to the check-valve. By this construction
of cylinder, ports, and jackets, and induction
and eduction passages, and using a solid pis-
5 ton I am enabled to dispense with the use of
any sort of valve whatever in the piston.
What I claim is-
In a pump, the cylinder having the outer
and the inner walls 1 and 2, with the water-
io chamber between, as F, extending from end
to end and communicating with an induction-
pipe at its bottom, and ports, as 8, communi-
cating with the central bore, and with the
eduction - passage, as G, also between said
x5 walls and separated from the chamber F by
partitions, as x9, communicating with an educ-tion-pipe near its bottom and having the cap
or head removably secured to such cylinder
and having a radial passage communicating
with the central bore of the cylinder and the 20
upper end of eduction-passage G and having
a valve at the inner end of said radial passage
and piston within said central bore, all con-
structed and arranged substantially as and for
the purposes set forth and described. 25
In testimony whereof Iaffix my signature in
presence of two witnesses.
CHARLES 11. ROBINSON.
Witnesses:
G. A. WYNNE,
W. S. GIBBS.
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Robinson, Charles H. Vertical Steam-Pump., patent, June 23, 1891; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth172725/m1/3/?q=%22%22~1: accessed June 29, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.