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320,835
and tube F, the washers c and f', coil-spring
f, and proper mechanism to raise one bucket
and lower the other simultaneously, substan-
tially as specified.
5 2. The combination of the upper bucket, C,
and the lower external bucket, E, the former
having a central vertical tube adapted to re-
ceive the rod for operating the valve of the
lower bucket, and the spring arranged around
io the said rod, all adapted to operate substan-
tially as specified.
3. The combination, with the upper internal
bucket and the lower external bucket, of the
plate e', the rod e2, washerf', the tube in the
upper bucket, spiral spring arranged therein, 15
the chain D, pulley c', and the ropes B, all
adapted to operate substantially as specified.
In testimony whereof I affix my signature in
presence of two witnesses.
JAMES S. ARNOLD.
Witnesses:
S. F. RYNOLDS,
JAMIES EADS.