25 Jahre Telefunken Festschrift Der Telefunken Gesellschaft 1903-1928
Berlin: telefunken gesellschaft für drahtlose Telegraphie 1928. 328, [1] pages. 4to. Rebound in blue buckram (original was in gold printed boards). Laid in is a letter from Heino L. von Goehde noting that this is one of 2 copies given by Dr. Otto von Bronk of Telefunken Company to him..... More
