The Hotpoint Electrical Appliance Co. Ltd. 24 Newman St, London, W1.
Marketed the B-38 in the U.K. The heater was rated 375 watts, 220 volts.
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Metal Ware Corporation
The Metal Ware Corporation of Two Rivers Wisconsin, as part of their Empire line of goods, sold an electricaly heated hot air engine, model B-38, for use in driving moving shop window displays. Heated by a 350 watt electric element the engine was to a design patented by J Koenig, of Two Rivers Wisconsin, in 1927.