annually manufactured there, largely from brine raised by animal power from wells seven hundred to more than two thousand feet deep.
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Fig. 198.—Sail windmill used in pumping brine at the Taku Government salt works, Chihli, China.
Hosie describes the operations at a well more than two
thousand feet deep, at Tzeliutsing. In the basement of a
power-house which sheltered forty water buffaloes, a huge
bamboo drum twelve feet high, sixty feet in circumference,
was so set as to revolve on a vertical axis propelled by
four cattle drawing from its circumference. A hemp rope
was wound about this drum, six feet from the ground,
passing out and under a pulley at the well, then up and
around a wheel mounted sixty feet above and descended
to the bucket made from bamboo stems four inches in diameter
and nearly sixty feet long, which dropped with
