GB190203737A - Improvements in Electrical and Magnetic Apparatus such as Transformers, Dynamos, and other Appliances, and Alloys for use therein.
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Improvements in Electrical and Magnetic Apparatus such as Transformers, Dynamos, and other Appliances, and Alloys for use therein.
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Robert Abbott Hadfield
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3737. Hadfield, R. A. Feb. 13. Alloys for the cores &c. of electric transformers, dynamos, motors, &c., consist of iron with from 2 to 5 per cent. of aluminium or silicon, and are free from carbon and manganese.
GB190203737D1902-02-131902-02-13Improvements in Electrical and Magnetic Apparatus such as Transformers, Dynamos, and other Appliances, and Alloys for use therein.
ExpiredGB190203737A
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