![File:1970's Czechoslovka TESLA automatic telephone exchange.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/d/dd/1970%27s_Czechoslovka_TESLA_automatic_telephone_exchange.jpg/800px-1970%27s_Czechoslovka_TESLA_automatic_telephone_exchange.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:13, 10 February 2011 | ![]() | 3,072 × 2,304 (2.95 MB) | Fanfardon | {{Information |Description ={{en|1=Top end of an early 1970's TESLA telephone exchange produced in Czechoslovakia}} |Source ={{own}} |Author =Fanfardon |Date =2009-12-20 |Permission = |other_versions = } |
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