Barber-Colman knotter.
circa 1925
Three-ring Enigma cypher machine in oak wood transit case
1934
'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
Steam locomotive, named Cheltenham
1934
The Ardente Hearing aid, London, England, 1920-1930
1920-1930
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
Liston-type Amputation Knife, London, England, 1920-1930
1920-1930
Rorschach Inkblot Test, Bern Switzerland, 1942
1921
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
Roger's Vitalator
1925
Robinson cup anemometer by Munro
1926-1932
The Psychological Corporation
1921
Post mortem table ceramic
1921-1930
Wooden prosthetic hand with rigid fingers
circa 1920
McKay artificial left arm
1920
Siemens Neophone telephone, 1929
1929
Freud electronic laughing ball
1990-96
Telescope by Galileo (replica)
1610; 1923
Artificial arm, 1920-1925.
1920-1925
Addac adding machine
1926
Statue depicting Shou Lao (Shou Xing), Chinese God of Longevity
before 1930
Replica of Pascal's calculator
1926
Mink G goods van
1931
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
Mineral wagon used at Stanton Ironworks
1931
Great Western Railway steam locomotive 'King George V' 4-6-0 King class, No 6000, 1927
1927
English teddy bear: golden mohair
1920-1929
Radium teletherapy apparatus, the radium 'bomb'
1925-1930
Earth thermometer with bent stem, c. 1925.
1925
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Chadwick's neutron detector
1932
J Compton Sons and Webb Limited
1930 - 1978
Take me by the Flying Scotsman
1932
Replica of the first Morse telegraph, 1835
1934
Samples of cinchona bark
1930-1931