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Title: Van der Plancke master clock [Go to resource]
Description: Van der Plancke master clock License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: electrically-driven pendulum master clock
self-winding mechanismTemporal: patented 1885 Source: Science Museum Creator: La Pr�cision Cie Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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