Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,683 pages of information and 247,074 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

J. P. Hall and Co: Difference between revisions

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1894 Combined dynamo and high-speed engine. <ref>[[The Engineer]] of 3rd August 1894 p108</ref>
1894 Combined dynamo and high-speed engine. <ref>[[The Engineer]] of 3rd August 1894 p108</ref>


1894 Description and engraving of a combined dynamo and turbine built by Hall and Co. The dynamo was designed to give an
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
output of 50 amps at 80 volts, when running at 730
rpm. <ref>[[Engineering 1894/11/30]]</ref>
rpm. <ref>[[Engineering 1894/11/30]]</ref>

Latest revision as of 10:48, 30 December 2024

1895.
1895.
1898.
1905 J P Hall dynamo preserved at Ferrymead Museum, Christchurch, New Zealand
1903. Direct Current Generator.
1908.
1921.
1921.
1922.

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]

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