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309<br />
with details<br />
309.<br />
Riefler Precision Astronomical Regulator, No. 1174, c. 1907-10,<br />
the silvered dial with outer ring minutes, subsidiary dial for seconds<br />
at 12 and hours at 6, eight-day timepiece mounted on a brass plate<br />
with pendulum suspension, five-wheel train, deadbeat escapement,<br />
maintaining power, beat setting provision on the crutch, and outboard<br />
pulley to direct weight fall, K-style invar pendulum marked Riefler<br />
Munchen-DRP 100870-1174, nickel pulley and single weight, all in a<br />
painted wooden case with full-length glazed door, ht. 52 in.<br />
Note: The Riefler firm and their clocks are illustrated and discussed in<br />
Derek Roberts, Precision Pendulum Clocks, pp. 119-149.<br />
$6,000-8,000<br />
online bidding at www.skinnerinc.com<br />
101
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