Addac adding machine
1926
Tablet Stone, Moretonhampstead & South Devon Railway
1924
model steam locomotive London, Brighton & South Coast Railway
1925
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
Novelty model
1955; 1830
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Radio tuning coil No. 300, 1922-1923
1922-1923
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 200, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Amplion loud speaker with wooden horn, 1925
1925
Loud speaker valve type L.S.5. W/T, 1923
1923
Replica of the first Morse telegraph, 1835
1934
Gold amulet in the form of a cobra
2000-100 BCE
Framed poster advocating vaccination against smallpox
1923
Petrol locomotive
1925
Working Model locomotive
1922
Demonstration radio receiver
1926
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
model locomotive, London & North Western Railway
1925
Freud electronic laughing ball
1990-96
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
Earth thermometer with bent stem, c. 1925.
1925
Portable thermometer screen
1925
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Marconi-Sykes magnetophone
1923
Radio tuning coil No. 400, 1922-1923
1922-1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Radio tuning coil No. 500, 1922-1923
1922-1923
Radio tuning coil No. 1000, 1922-1923
1922-1923
Three-valve radio receiver, 1922-1925
1922-1925
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
Set concert coils, 1922-1923
1922-1923
Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924
1924
Savoy Hill 'Meat Safe' microphone stand
1923
Radio tuning coil No. 75, 1922-1923
1922-1923
Radio tuning coil No. 750, 1922-1923
1922-1923
Popular Wireless no. 1 vol. 1, 1922
1922
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Main part of Marconi 1.5KW transmitter from 2LO
1922-1925
Cossor Wurncell W.1 output triode valve (McVitie Weston valve collection), 1923
1923
Bell from Cable Ship 'Faraday', 1923
1923
Loaded submarine telegraph cable, 1926
1926
Replica of Morse's second model of telegraphy apparatus, 1934
1934
No. I.T. Morse tape printer, 1925
1925
Radio Times volume 1 No. 1, 1923
1923