Clocks: side elevation of a machine for profiling teeth on gearwheels. Engraving by R. Bénard after Bourgeois.

    • Bourgeois.
    Reference:
    40839i
    Catalogue details

    Licence: Public Domain Mark

    Credit: Clocks: side elevation of a machine for profiling teeth on gearwheels. Engraving by R. Bénard after Bourgeois. Wellcome Collection. Source: Wellcome Collection.

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