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Hahl Pneumatic Master ClockHahl Pneumatic Master Clock

Hammer Price w/ BP

$20,400

Lot #: 353
Hahl Pneumatic Master Clock

Quarter sawn oak case. Movement signed 'Hahl Automatic Clock Co. Chicago'. Patented January 25, 1898, December 1, 1908, January 1909. Other patents pending. In 1877 the Hahl Clock Company, Chicago, Illinois, introduced the first pneumatic operated master clock system. The pendulum-driven master clock system needed no electrical current to control the remote (slave) clocks. This master clock ran the slaves by pumping air through lines to the slave clocks. The clock does include a custom base which allows the clock to run 7 days and stands at 8 ft. tall.

Max Ht. 7 ft. 5 1/2 in. W 24 1/2 D 17 in
Provenance
From the private collection of the Calculagraph Company of East Hanover, New Jersey. Collected by three generations of company owners.
Condition
Works are complete.
Auction Date
Jan 26, 2022

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