J. P. Hall and Co









J. P. Hall and Co of Blackriding Iron Works, Werneth, Oldham.
1887 Company established by Joseph Platt Hall.
1894 Combined dynamo and high-speed engine. [1]
1894 Description and illustrations of a combined dynamo and turbine built by Hall and Co. The dynamo was designed to give an output of 50 amps at 80 volts, when running at 730 rpm. [2]
1914 Electrical and general engineers. Specialities: electric generators, motors and accessories for continouous and alternating current. [3]
See Also
Sources of Information
- ↑ The Engineer of 3rd August 1894 p108
- ↑ Engineering 1894/11/30
- ↑ 1914 Whitakers Red Book