Telephone crossbar switch, Swedish Ericsson, 1921
1921
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
"Swiftsure" copper posser by the British Vacuum Wsher Co. of Islington
1921
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
Ora wireless receiving triode, 1921
1921
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
Newspaper clipping of William Friese-Greene's funeral
14 May 1921
Album of press cuttings about the death of William Friese-Greene in 1921
circa 1921