1923 Rotogravure Wireless Radio Tuning Coil Code Typewriter Scientific Advances YNHA2 Clod Crusher & Leveler being

Clod Crusher & Leveler being sold by Duane H

Smith and Wesson was originally founded in 1852

Smelting and Power Company in British Columbia

or the collector of copper engravings

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

1923 Rotogravure Wireless Radio Tuning Coil Code Typewriter Scientific Advances YNHA2 Clod Crusher & Leveler being"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