torsion pendulum
torsion pendulum clock, kern - germany, mid 20th century
图片尺寸483x700frenchtorsionpendulumclockbyclaudegrivolasc1910
图片尺寸1400x14002 german torsion pendulum clock, c. 1920
图片尺寸1600x1600schmidt - torsion pendulum clock with ballerina, fireplace clock
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图片尺寸789x488a 1930s brass torsion pendulum clock, white enamel dial with
图片尺寸2367x2431modern torsion pendulum clock and dome
图片尺寸1100x1100kundo; kieninger & obergefell – torsion pendulum clock 400 days
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图片尺寸990x990carrera mikropendulum
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图片尺寸500x550pendulum mount vpn for compact ring-torsion load cell rtn
图片尺寸1170x1600henrys-jaeger-lecoultre rare torsion-pendulum-table clock atmos
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图片尺寸847x590pendulum pendulum
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