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File:DeutschesUhrenmuseum 20080904 14 UhrPendelElektisch.jpg

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Deutsch: Uhr mit elektrisch angetriebenem Pendel.
English: Precision regulator clock with electromagnetically-driven pendulum, by Alexander Bain, London, around 1845, on display in Deutsches Uhrenmuseum (German clock museum), Inventory No. 2004-162. One of the first electric clocks ever built. The pendulum was kept swinging by pulses of magnetic force from an electromagnet (solenoid) (visible, bottom) near the bob, powered by a battery, and controlled by switch contacts (visible, center) on the pendulum rod.
Date 4 September 2008, 02:27:20 (according to Exif data)
Source
Deutsch: Eigenes Werk (own work), mit freundlicher Genehmigung von www.deutsches-uhrenmuseum.de vom 10.12.2008
English: Own work, with kind permission of www.deutsches-uhrenmuseum.de on 2008-10-12
Author HNH, (mit freundlicher Genehmigung von www.deutsches-uhrenmuseum.de vom 10.12.2008)

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current22:22, 11 December 2008Thumbnail for version as of 22:22, 11 December 20081,086 × 2,763 (323 KB)HNH (talk | contribs){{Information |Description={{de|1=Uhr mit elektrisch angetriebenem Pendel.}} |Source=Eigenes Werk (own work), mit freundlicher Genehmigung von www.deutsches-uhrenmuseum.de vom 10.12.2008 |Author=HNH, (mit freundlicher Genehmigung von www.deut

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