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Title: Electric master clock of the half minute impulse type in mah [Go to resource]
Description: Electric master clock of the half minute impulse type in mahogany case with pendulum. Made by the Synchronome Co. according to a patent granted to W H Shortt in 1915 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Synchronome Co. Ltd. (maker) Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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