Improved apparatus for regulating, controlling, and for varying the speed of shafts and machinery. 3fi91 J. Brown, machinist, .... 8568 G. F. Bradbury and T. Chadwick, sewing machine manufacturers, Oldham. Lancashire. Improvements inanbsp;...
|Title||:||The Mechanics' Magazine and Journal of Engineering, Agricultural Machinery, Manufactures and Shipbuilding|