Tablet Stone, Moretonhampstead & South Devon Railway
1924
Working Model locomotive
1922
London & North Eastern Railway Steam Locomotive, 'Flying Scotsman'
1923
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Radio tuning coil No. 200, 1922-1923
1922-1923
Radio tuning coil No. 300, 1922-1923
1922-1923
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
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Novelty model
1955; 1830
Framed poster advocating vaccination against smallpox
1923
Freud electronic laughing ball
1990-96
Ceramic milk jug, London & North Eastern Railway
1924
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Radio tuning coil No. 75, 1922-1923
1922-1923
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
Radio tuning coil No. 400, 1922-1923
1922-1923
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Set concert coils, 1922-1923
1922-1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
BBC printing stamp issued to the Willesden Wireless Company
1922-1924
Popular Wireless no. 1 vol. 1, 1922
1922
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Neolithic flint scraper
4000-2001 BCE
Card of Authority to use portable receiver, 1922
1922
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924
1924
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
Cossor Wurncell W.1 output triode valve (McVitie Weston valve collection), 1923
1923
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Savoy Hill 'Meat Safe' microphone stand
1923
Marconi-Sykes magnetophone
1923
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Flying Scotsman Australian tickets
1989-08
Locomotive worksplate
1923
Monotype Cutting and Grinding Machine
1922
Spectrum Films ltd booklet
1924
Booklet - Spectrum Colour Film Process
circa 1924
petrol engine
circa 1923
Prismatic Rings from Charles Francis Jenkins' Radiovisor mechanical television, 1923
1923
East Indian Railway locomotive model
1923
Captain John Noel's cine camera used on 1922 Everest expedition
1922
'Caerphilly Castle' Steam locomotive
1923