Siemens & Halske narrow-gauge electric locomotive (centre rail
pickup) with two small passenger cars. This is a replica of the
"first electric train", a demonstration run on an exhibition in 1879.
Not much later, the first electric tramways were introduced. 
Deutsches Technikmuseum Berlin, 2002-09-26.
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photo: <a href="mailto:tbk@uncia.de">tobias b k&ouml;hler</a>