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Title: Swan-type apparatus containing motor and counter, probably a [Go to resource]
Description: Swan-type apparatus containing motor and counter, probably an experimental electricity supply meter, England, 1885-1914 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: electricity supply meters Temporal: 1885-1914 Source: Science Museum Creator: Swan, Joseph Wilson Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...-
Power's engine-driven automatic mallet, nickel-plated…
Power's engine-driven automatic mallet, nickel-plated…
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