Radio and Electronic Component Exhibition. New Band 5" Valve by English Electric: Photo Shows Compared with a normal receiver valve is the Cw. Klystron Valve - which with his output of 20 Kw. is designed for broadcasting on 'Band 5" and is one of the exhibits at the Radio and Electronic Component Manufactures' Federation Exhibition - which is being held at Grosnover House.
Photo measures 8.25 x 10.25 inches.
Photo is dated 04-04-1957.
Photo back:
