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2
992,358
having near its lower end an upwardly open-
ing valve, and a discharge outlet near its
upper end, of a plunger working in said tube
above said valve, a crank shaft provided with
5 diametrically opposite cranks, an adjustable
weight mounted upon one of said cranks, a
pitman connecting the other crank to the
plunger rod to operate it, and means for au-
toiatically compensating for leakage of said
upwardly opening valve. 10
In testimony whereof I affix my signature
in presence of two witnesses.
FRANK OSKAR KANGAS.
Witnesses:
0. H. TWADDELL,
S. H. TWADDELL.
Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patents,
Washington, D. C."