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
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Rorschach Inkblot Test, Bern Switzerland, 1942
1921
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
Roger's Vitalator
1925
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
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
Framed poster advocating vaccination against smallpox
1923
Savoy Hill 'Meat Safe' microphone stand
1923
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
Three-valve radio receiver, 1922-1925
1922-1925
Royal 10 typewriter
1920
Manufactured insulin, 'Iletin', United States, 1923
1923
Locomotive worksplate
1920
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Tizer bottle
1925
"Dreadnought" bookmaker's bag by the Richmond Time Recording Co.
circa 1925
Whitaker Tunnelling Machine
1921
Electrotype replica of a 16th-century mariner’s astrolabe
1580-1588; 1930
Working Model locomotive
1922
"Swiftsure" copper posser by the British Vacuum Wsher Co. of Islington
1921
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Neolithic flint scraper
4000-2001 BCE
Portable thermometer screen
1925
Dictaphone, Type A, c. 1924
1924
Adapted Hailwood's type 01 miner's safety lamp
circa 1925
Model of Gutenberg's Press, 1430
1960-1979
Copy of clay liver used for divination, original from Babylon, 2050-1750 BCE
2050-1750 BCE
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Radio tuning coil No. 200, 1922-1923
1922-1923
Novelty model
1955; 1830
Popular Wireless no. 1 vol. 1, 1922
1922
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Model of the Asklepion at Epidaurus, Greece, 1936
1936
Rolling ball clock by E. Dent and Co
1920