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Title: mercury motor type electricity supply meter by Ferranti, 188 [Go to resource]
Description: mercury motor type electricity supply meter by Ferranti, 1884. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: ampere hour meters
mercury motor electricity supply metersTemporal: 1884 Source: Science Museum Creator: S.Z de Ferranti Ltd. Identifier: 02/02/1906 Go to resource More Like this...
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