Author: GENRAL RADIO COMPANY.
Title: Catalog L 1948.
Description: General Radio Company, Cambridge, Massachusetts, 1947. Paperback. 4to. B/W photos & illus. Wear to spine and corners, previous owner's details written and stamped to index pages, otherwise good. A catalogue that covers stroboscopes, variacs, impedance bridges, broadcast monitors, oscillators etc. 227pp.

Keywords: 20th twentieth century history historical technical radio instrument instruments instrumentation