Wireless signalling across space (1 risultati)

Condizione: Very Good. Preece explains the principles and early experiments of wireless telegraphy, describing methods for transmitting signals without wires and the physical reasoning behind them. 9 Pages. An authentic standalone article, extracted from a larger volume. Not a reprint or reproduction, but an original work in its own right. Preserved in a modern card cover, prepared for practicality - an unassuming but serviceable presentation that favours function over finery. Size: 16 x 24 cms. Category: Smithsonian Institution; Cosmo Books : 29 years on ABE, 47 years taking care of customers. A bookseller you can rely on. Softcover (Booklet - Unbound Pages).…