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May 1933 - The Dudley winder from the motor end ; the 288-r.p.m. motor has a continuous rating of 330 H.P. and drives the drums at 29.4 r.p.m. through single-reduction gearing, the maximum rope speed being 18.5 ft. per sec.
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May 1933 - The Dudley winder from the motor end ; the 288-r.p.m. motor has a continuous rating of 330 H.P. and drives the drums at 29.4 r.p.m. through single-reduction gearing, the maximum rope speed being 18.5 ft. per sec.
(from Colliery Engineering [May, 1933])
Image Reference: L-00403-03-0065-F02
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