Category:Telefunken Volkstrautonium

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Telefunken Volkstrautonium (Telefunken Trautonium Ela T 42 (1933)) is a product version of trautonium co-developed by Telefunken, Friedrich Trautwein and Oskar Sala since 1931.

[edit]