Addac adding machine
1926
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Desk telephone transmitter and receiver (sectioned), 1926.
1926
McKay artificial left arm
1920
Alcock and Brown's Vickers Vimy Biplane
1919
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Brass worksplate, Manning Wardle & Co
1920
Tablet Stone, Moretonhampstead & South Devon Railway
1924
model steam locomotive London, Brighton & South Coast Railway
1925
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
Amplion loud speaker with wooden horn, 1925
1925
Straight horn loudspeaker, 1921-1926
1921-1926
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
Wrapping block
circa 1920
Replica of the first Morse telegraph, 1835
1934
Demonstration radio receiver
1926
Gold amulet in the form of a cobra
2000-100 BCE
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Wooden prosthetic hand with rigid fingers
circa 1920
Novelty model
1955; 1830
"Swiftsure" copper posser by the British Vacuum Wsher Co. of Islington
1921
Framed poster advocating vaccination against smallpox
1923
Petrol locomotive
1925
'Cat's whisker' Crystal Radio
1920-1925
Lap Scales
circa 1920
British War medal - G.F.W. Keen
1920
"Ogee-de-Luxe" face massager
1920
Steam Locomotive, number 901
1919
model locomotive, London & North Western Railway
1925
Freud electronic laughing ball
1990-96
Main part of Marconi 1.5KW transmitter from 2LO
1922-1925
Brass worksplate no 1982, Manning Wardle & Co
1920
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
Amplifying valve type V24, 1920-1922
1920-1922
Ora wireless receiving triode, 1921
1921
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
No. I.T. Morse tape printer, 1925
1925