ELEKTROTECHNIKA Quadripolar dynamo Bartelmus. Made by Bartelmus – Donát, Brno 1890 - 1900  Titan 932 radio receiver. Made by Titan Radio, 1932  MB table telephone. Made by Deckert & Homolka, Vienna 1894 - 1914
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National Technical Museum Kostelní 42, 170 78 Monday: closed
Days with reduced admission fee in 2023February 15, May 18, July 5, September 2, September 28, October 28, November 17, December 17 Prague Visitor Pass
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