File:Bain First electric clock.JPG
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Summary
| Description |
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. Picture by Fortunat Mueller-Maerki taken 2006 at DUM: |
| Date | 5 July 2008 (original upload date) |
| Source | Transferred from en.wikipedia to Commons by Liftarn using CommonsHelper. |
| Author | Horology at English Wikipedia |
Licensing
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This work has been released into the public domain by its author, Horology at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: Horology grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2008-07-05 20:35 Horology 494×1138× (83417 bytes) Picture by Fortunat Mueller-Maerki: Taken 2006 at DUM: Showing Alexander Bain clock (ex Time Museum), one of the first electrically driven clocks ever built.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:47, 1 November 2010 | | 494 × 1,138 (81 KB) | File Upload Bot (Magnus Manske) | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Picture by Fortunat Mueller-Maerki: Taken 2006 at DUM: Showing Alexander Bain clock (ex Time Museum), o |
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