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Title: Clock with Hipp pendulum (an electric driven clock with Hipp [Go to resource]
Description: Clock with Hipp pendulum (an electric driven clock with Hipp butterfly escapement) with a door of back of case License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: electrically-driven clock
Hipp butterfly escapementSource: Science Museum Creator: Hipp, M. Identifier: 1913-567 Go to resource More Like this...
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