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Description: Electromagnetic machine, induction coil with electro-magnetic, silvered contact-breaker and terminals, invented and patented by Grigg, made by Chislett, Plymouth, England 1880-1890 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: electromagnetic machines Temporal: 1880-1890 Source: Science Museum Creator: Chislett, J.R. (maker) Identifier: A174791 Go to resource More Like this...-
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