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Title: Electric 1 KW soapstone storage heater for using cheap elect [Go to resource]
Description: Electric 1 KW soapstone storage heater for using cheap electricity at night, whereby soapstone mass was heated and gave off heat during the day, part of an experiment in Watford in the 1930's, functional appear ance, by the Soapstone Products Co, Sweden, 1930-1939 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1930-1939 Source: Science Museum Creator: Soapstone Products Co. (maker) Identifier: 1964-231 Go to resource More Like this...
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