Barber-Colman knotter.
circa 1925
'Cat's whisker' Crystal Radio
1920-1925
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Petrol locomotive
1925
Marconi-Sykes magnetophone
1923
Spinning Mule
1927
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
Rorschach Inkblot Test, Bern Switzerland, 1942
1921
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
Roger's Vitalator
1925
The Psychological Corporation
1921
Wooden prosthetic hand with rigid fingers
circa 1920
McKay artificial left arm
1920
Freud electronic laughing ball
1990-96
Telescope by Galileo (replica)
1610; 1923
Artificial arm, 1920-1925.
1920-1925
Addac adding machine
1926
Replica of Pascal's calculator
1926
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Gold amulet in the form of a cobra
2000-100 BCE
Model of the periodic system of de Chancourtois
1925; 1862
Amplion loud speaker with wooden horn, 1925
1925
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Roving frame
1927
Framed poster advocating vaccination against smallpox
1923
Savoy Hill 'Meat Safe' microphone stand
1923
Power loom
1926
Great Western Railway steam locomotive 'King George V' 4-6-0 King class, No 6000, 1927
1927
Earth thermometer with bent stem, c. 1925.
1925
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Replica of the first Morse telegraph, 1835
1934
Volume 1 No. 1 of "Television" monthly magazine, 1928
1928
Three-valve radio receiver, 1922-1925
1922-1925
Evans Medical Limited
1925 - 1998
Royal 10 typewriter
1920
Manufactured insulin, 'Iletin', United States, 1923
1923
Locomotive worksplate
1920
Kelvinator electric compression domestic refrigerator no 5534
1926
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Primax moving iron loudspeaker, 1924-1927
1924-1927
W and J George and Becker Limited
1910 - 1954
Model steam locomotive LMS 'Royal Scot'
1927
Brownie crystal receiver and pair of Lissen headphones, 1924-1927
1924-1927
Tizer bottle
1925
Kodak Kodascope Model B 16mm projector
1928
"Dreadnought" bookmaker's bag by the Richmond Time Recording Co.
circa 1925
"Valor Junior" no 56R oil (paraffin) heater which can also be used to heat a kettle or food
1928