Turret clock drive for chronograph or telescope, metal, retailed by Angelo Tornaghi, Sydney, 1880-1890, used at Sydney Observatory, Observatory Hill, Sydney, New South Wales, Australia A turret clock drive with a weight drive and dead-beat escapement. The clock drive consists of a series of [brass/bronze] cogs and springs supported by two metal frames. There is a dial fixed to outside of one frame. The dial is numbered from 0-60 in gradations of 10. There are also three metal components with the clock drive which were removed when clock was cleaned in 1997.
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(Accession num: H10184)
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