Wrapping block
circa 1920
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Wooden prosthetic hand with rigid fingers
circa 1920
McKay artificial left arm
1920
Novelty model
1955; 1830
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
"Swiftsure" copper posser by the British Vacuum Wsher Co. of Islington
1921
'Cat's whisker' Crystal Radio
1920-1925
Amplion loud speaker with wooden horn, 1925
1925
Replica of the first Morse telegraph, 1835
1934
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
Framed poster advocating vaccination against smallpox
1923
Gold amulet in the form of a cobra
2000-100 BCE
Loud speaker valve type L.S.5. W/T, 1923
1923
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Tablet Stone, Moretonhampstead & South Devon Railway
1924
model steam locomotive London, Brighton & South Coast Railway
1925
Petrol locomotive
1925
Working Model locomotive
1922
London & North Eastern Railway Steam Locomotive, 'Flying Scotsman'
1923
Brass worksplate, Manning Wardle & Co
1920
Lap Scales
circa 1920
Portable thermometer screen
1925
Earth thermometer with bent stem, c. 1925.
1925
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
British War medal - G.F.W. Keen
1920
"Ogee-de-Luxe" face massager
1920
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
model locomotive, London & North Western Railway
1925
Sectioned model steam locomotive boiler
circa 1920
Freud electronic laughing ball
1990-96
Main part of Marconi 1.5KW transmitter from 2LO
1922-1925
Three-valve radio receiver, 1922-1925
1922-1925
Popular Wireless no. 1 vol. 1, 1922
1922
Savoy Hill 'Meat Safe' microphone stand
1923
Marconi-Sykes magnetophone
1923
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
BBC printing stamp issued to the Willesden Wireless Company
1922-1924
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
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
Radio tuning coil No. 500, 1922-1923
1922-1923
Radio tuning coil No. 1000, 1922-1923
1922-1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Radio tuning coil No. 750, 1922-1923
1922-1923
Radio tuning coil No. 400, 1922-1923
1922-1923