1923 Rotogravure Wireless Radio Tuning Coil Code Typewriter Scientific Advances YNHA2 or the collector of copper

or the collector of copper engravings

This ad is for the Corp

Smelting and Power Company in British Columbia

It is located in the Haut-Rhin department in the Alsace region

This is an original 1910 black and white print ad for the new Rambler from the Thomas B

1923 Rotogravure Wireless Radio Tuning Coil Code Typewriter Scientific Advances YNHA2 or the collector of copper"Huge Construction for Transatlantic Radio" This is an original 1923 sepia rotogravure with three images of wireless radio: the multiple tuning coil used for ocean messages at Rocky Point, Long Island being examined by F. F. W. Alendersson, the inventor of the alternator; a code sending and receiving radio; and Major Gen. George O. Squier, the Chief Signal Officer of the Army demonstrating the ease with which the radio aerial may be dispensed with by