Patent Model - Improvement in Sewing-Machines
Maker and role
Cyrus True (b.1827, d.1909), Patentee
May 06 1879
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Brass, cast iron, rubber, steel
24 x 14 x 12" (61 x 35.6 x 30.5cm)
Changing the operation of the bobbin, Cyrus True's patent "relates to particular means whereby the band-pulley and the balance-wheel (if one be used in connection with the band-pulley) may be readily disconnected rotatively from the driving-shaft for driving the bobbin-winder..." (Patent number: 215,080)
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