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Title: Mains-driven synchronous electric clock in bakelite case, no [Go to resource]
Description: Mains-driven synchronous electric clock in bakelite case, not self-starting, made in England by the General Electric Co. Ltd., trade marked 'SEC Electric', 200/250 volts 50 Hz, English patent 2634/31, estimated date 1931-1939 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: synchronous electric clock Temporal: 1931-1939 Source: Science Museum Creator: General Electric Co. Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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