'Cat's whisker' Crystal Radio
1920-1925
Isaac Newton’s Reflecting Telescope (replica)
1668; 1924
McKay artificial left arm
1920
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
Brass worksplate, Manning Wardle & Co
1920
Tablet Stone, Moretonhampstead & South Devon Railway
1924
Wooden prosthetic hand with rigid fingers
circa 1920
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
Novelty model
1955; 1830
Wrapping block
circa 1920
Petrol locomotive
1925
model steam locomotive London, Brighton & South Coast Railway
1925
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Radio tuning coil No. 300, 1922-1923
1922-1923
Radio tuning coil No. 100, 1922-1923
1922-1923
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Radio tuning coil No. 200, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Straight horn loudspeaker, 1921-1926
1921-1926
Amplion loud speaker with wooden horn, 1925
1925
Loud speaker valve type L.S.5. W/T, 1923
1923
Replica of the first Morse telegraph, 1835
1934
Rolling ball clock by E. Dent and Co
1920
Addac adding machine
1926
Gold amulet in the form of a cobra
2000-100 BCE
Framed poster advocating vaccination against smallpox
1923
Working Model locomotive
1922
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Demonstration radio receiver
1926
Model of a pendulum clock based on Galileo's design
1921
Brass worksplate no 1982, Manning Wardle & Co
1920
British War medal - G.F.W. Keen
1920
Locomotive worksplate
1920
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
model locomotive, London & North Western Railway
1925
Freud electronic laughing ball
1990-96
Lap Scales
circa 1920
Earth thermometer with bent stem, c. 1925.
1925
Portable thermometer screen
1925
Card of Authority to use portable receiver, 1922
1922
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Marconi-Sykes magnetophone
1923
Radio tuning coil No. 400, 1922-1923
1922-1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Radio tuning coil No. 1000, 1922-1923
1922-1923