Philips 'All Transistor', reel-to-reel tape recorder, c 1960.

'Royal' all transistor tape recorder, c 1958-1965.

Dynatron TP11 'Nomad' radio, c 1960.

Early British transistor, 1950-1953.

Philips L1G30T personal transistor receiver, c 1960.

Pye transistor radio, c 1960.

Portable 'Spinney' transistor radio by Perdio Radio Co, 1965.

Wiring inside a TV receiver, c 1970s.

Murphy 242 FM/AM broadcast receiver, 1955, and Pam transistor radio, 1956.

Female employees making transistors, Mullard Electronics, 1961.

Valve-operated radio, 1955.

First working transistor, 1947.