Petrol locomotive
1925
Tablet Stone, Moretonhampstead & South Devon Railway
1924
Gold amulet in the form of a cobra
2000-100 BCE
Amplion loud speaker with wooden horn, 1925
1925
Straight horn loudspeaker, 1921-1926
1921-1926
Demonstration radio receiver
1926
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Replica of the first Morse telegraph, 1835
1934
Loud speaker valve type L.S.5. W/T, 1923
1923
Addac adding machine
1926
Power loom
1926
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Framed poster advocating vaccination against smallpox
1923
Radio tuning coil No. 200, 1922-1923
1922-1923
Radio tuning coil No. 300, 1922-1923
1922-1923
model steam locomotive London, Brighton & South Coast Railway
1925
Working Model locomotive
1922
Novelty model
1955; 1830
"Swiftsure" copper posser by the British Vacuum Wsher Co. of Islington
1921
Kelvinator electric compression domestic refrigerator no 5534
1926
12"tenon saw by Spear & Jackson
1926
BBC printing stamp issued to the Willesden Wireless Company
1922-1924
Marconi-Sykes magnetophone
1923
Savoy Hill 'Meat Safe' microphone stand
1923
Loaded submarine telegraph cable, 1926
1926
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
Replica of 16th century German 'Hund' wagon, 1986
1986 (replica); 1501-1600 (original)
Ora wireless receiving triode, 1921
1921
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924
1924
Three-valve radio receiver, 1922-1925
1922-1925
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
Replica of Morse's second model of telegraphy apparatus, 1934
1934
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
No. I.T. Morse tape printer, 1925
1925
Main part of Marconi 1.5KW transmitter from 2LO
1922-1925
Portable thermometer screen
1925
Card of Authority to use portable receiver, 1922
1922
Radio tuning coil No. 75, 1922-1923
1922-1923
Set concert coils, 1922-1923
1922-1923
Earth thermometer with bent stem, c. 1925.
1925
Radio tuning coil No. 500, 1922-1923
1922-1923
Radio tuning coil No. 1000, 1922-1923
1922-1923
Radio tuning coil No. 750, 1922-1923
1922-1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Radio tuning coil No. 400, 1922-1923
1922-1923