Decree on Manufacturing and Sales of Radios by Jewish Firms issued by the Reich Economy Minister [Germany]: “The Reich Minister of Public Enlightenment and Propaganda and I agree with the following: […] 1. Jewish firms may not a) produce radios, b) nor deliver items for installation in the recipient, c) nor sell radios as a wholesaler, retailer or business representative. […] Berlin 23 September 1937 – The Reich and Prussian Minister of Economy, Schacht.”
Sauer, Paul: Dokumente über die Verfolgung der Jüdischen Bürger in Baden-Württemberg durch das Nationalsozialistische Regime 1933-1945, volume I, page 194, Translated by Franziska Wagener, Accessed 1/29/2016