1923 Rotogravure Wireless Radio Tuning Coil Code Typewriter Scientific Advances YNHA2 This is an original 1892

This is an original 1892 monochrome wood engraving of a detail of an Italian Renaissance painting by Tintoretto

Series Two

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

or the collector of copper engravings

This ad is for the Corp

1923 Rotogravure Wireless Radio Tuning Coil Code Typewriter Scientific Advances YNHA2 This is an original 1892"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