for the control mechanism only (found from outside the clockwork)

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    2423985

    • Patent number 2,423,985
    • Issue date Jul 15, 1947
    • G04 - HOROLOGY
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    653996

    • Patent number 653,996
    • Issue date Jul 17, 1900
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    535418

    • Patent number 535,418
    • Issue date Mar 12, 1895
    • G04 - HOROLOGY
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    490202

    • Patent number 490,202
    • Issue date Jan 17, 1893
    • G04 - HOROLOGY
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    484797

    • Patent number 484,797
    • Issue date Oct 25, 1892
    • G04 - HOROLOGY
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    484796

    • Patent number 484,796
    • Issue date Oct 25, 1892
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    469967

    • Patent number 469,967
    • Issue date Mar 1, 1892
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    451181

    • Patent number 451,181
    • Issue date Apr 28, 1891
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    437203

    • Patent number 437,203
    • Issue date Sep 30, 1890
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    437204

    • Patent number 437,204
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    422616

    • Patent number 422,616
    • Issue date Mar 4, 1890
    • G04 - HOROLOGY
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    328848

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