Telephone crossbar switch, Swedish Ericsson, 1921
1921
Replica of the first Morse telegraph, 1835
1934
Loud speaker valve type L.S.5. W/T, 1923
1923
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
Gold amulet in the form of a cobra
2000-100 BCE
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Framed poster advocating vaccination against smallpox
1923
Working Model locomotive
1922
Novelty model
1955; 1830
"Swiftsure" copper posser by the British Vacuum Wsher Co. of Islington
1921
London & North Eastern Railway Steam Locomotive, 'Flying Scotsman'
1923
Tablet Stone, Moretonhampstead & South Devon Railway
1924
Freud electronic laughing ball
1990-96
Savoy Hill 'Meat Safe' microphone stand
1923
Replica of Morse's second model of telegraphy apparatus, 1934
1934
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
Ora wireless receiving triode, 1921
1921
Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924
1924
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Radio tuning coil No. 75, 1922-1923
1922-1923
Set concert coils, 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
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Radio tuning coil No. 400, 1922-1923
1922-1923
Cossor Wurncell W.1 output triode valve (McVitie Weston valve collection), 1923
1923
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Marconi-Sykes magnetophone
1923
Card of Authority to use portable receiver, 1922
1922
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
BBC printing stamp issued to the Willesden Wireless Company
1922-1924
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Ceramic milk jug, London & North Eastern Railway
1924
Popular Wireless no. 1 vol. 1, 1922
1922
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Neolithic flint scraper
4000-2001 BCE
Several straight suture needles
1950-1920
Post-nasal curette
1971-1900
Hot water bottle made from Wickham's heavily smoked hard-cure Para rubber
1924
Film positive (7 3/4" x 9 7/8") Nebula N.G.C. 4565
1923
Film positive (7 3/4" x 9 7/8") Nebula N.G.C. 5194/5.M51
1923
Rectangular bronze plaque
1924
Alabaster kohl pot
2000-1350
Aneroid barometer by Paulin, 1923
1923