Righi pattern oscillator, 1870-1923

Radio Communication

1870-1923

Rexophone crystal set with 3 pairs telefunken headphones, 1923-1930

Radio Communication

1923-1930

Dansette radiogram

Radio Communication

Robertson Electric Lamps Ltd t

Radio Communication

c. 1925

Vinyl Record Album by Greater Manchester Radio Chorale

Radio Communication

Television With No Moving Parts, 1937

Radio Communication

1937

One German Frequency Meter Type WIK, 30-375 Mc/s.

Radio Communication

Trailing aerial winch, motor driven, model ER28V (

Radio Communication

M S S disc recording machine, lacks cabinet and el

Radio Communication

V.h.f. receiver XR-1/ARR-1 (American airborne, war

Radio Communication

Portable broadcast receiver (valve operated) made

Radio Communication

366B aerial ammeter (M.F.) no. 2715

Radio Communication

Sanyo half-inch reel-to-reel four-head helical-sca

Radio Communication

Marconi SR-128 automatic speech recogniser, versio

Radio Communication

1982

Coil about 240 turns No. 28 S.W.G. aluminium wire

Radio Communication

Spare parts; earth spike; valv etc in wooden box w

Radio Communication

Marconi FSK recording unit type HU11, Serial No. 6

Radio Communication

Sample of u.h.f. co-axial feeder cable, as used at

Radio Communication

Travelling wave tube for communications satellites

Radio Communication

Valve tester by Bistorf and Funke, type RPG4; Germ

Radio Communication

Crystal holder, 470 KHz, Serial no. 61401

Radio Communication

Sony 405-line videotape recorder CV2000B

Radio Communication

Tin case containing an assortment of items associated with the MoD HF radio station D11/R230

Radio Communication

Dummy panorama television tube

Radio Communication

Deflection coil unit for panorama television receiver tube

Radio Communication

Two connecting leads (3 pin DIN plug to 3.5mm jack), spare 3 pin DIN plug, and tape spool winding handle

Radio Communication

Two Microphones for Portable Tape Recorder

Radio Communication

Power unit type 234A. Serial no. 2991

Radio Communication

Portable broadcast radio receiver, model R.300 - 1

Radio Communication

Twelve inch, 33 1/3 rpm BBC Engineering Society disc

Radio Communication

1970

R.C.A. "A.R.88" receiver (damaged and incomplete)

Radio Communication

Wooden pillar insulators, 1900-1950

Radio Communication

1900-1950

high frequency sliding inductance on wood base, 1900-1950

Radio Communication

1900-1950

tuning indicator with lamp, 1900-1950

Radio Communication

1900-1950

Fifteen transparencies illustrating progress in de

Radio Communication

Elektro Kadett Radio Brille 3-transistor radio bui

Radio Communication

Murphy mains/battery portable receiver, type BU 18

Radio Communication

Tape recorder deck used on Antarctic Expedition of 1956

Radio Communication

c. 1956

One horn type valve

Radio Communication

Light-scanned camera tube (high voltage version)

Radio Communication

Pye mains transportable receiver, model MM, 1933

Radio Communication

"Duode" 8-inch loudspeaker unit

Radio Communication

Murphy all-wave model broadcast receiver, type A72

Radio Communication

HMV broadcast receiver (lw, mw, vhf) in simulated-

Radio Communication

Wireless receiver, "Fada Neutrodyne", 1925

Radio Communication

7-valve Supersonic heterodyne radio receiver, batt

Radio Communication

1924

Murphy vhf-only valve mains receiver, model U 602,

Radio Communication

Miniature spark transmitter for lifeboat, made by

Radio Communication

Wartime civilian receiver, mains version, Murphy m

Radio Communication

Cigarette packet miniature receiver made by F.L.W.

Radio Communication