'Cat's whisker' Crystal Radio
1920-1925
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Addac adding machine
1926
Working Model locomotive
1922
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
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
Model of a pendulum clock based on Galileo's design
1921
Rolling ball clock by E. Dent and Co
1920
Wooden prosthetic hand with rigid fingers
circa 1920
Framed poster advocating vaccination against smallpox
1923
Petrol locomotive
1925
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
London & North Eastern Railway Steam Locomotive, 'Flying Scotsman'
1923
Wrapping block
circa 1920
Brass worksplate, Manning Wardle & Co
1920
Novelty model
1955; 1830
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
model steam locomotive London, Brighton & South Coast Railway
1925
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Demonstration radio receiver
1926
Replica of the first Morse telegraph, 1835
1934
Gold amulet in the form of a cobra
2000-100 BCE
Tablet Stone, Moretonhampstead & South Devon Railway
1924
McKay artificial left arm
1920
Freud electronic laughing ball
1990-96
Child's china tea plate, 1922-1923
1922-1923
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
BBC printing stamp issued to the Willesden Wireless Company
1922-1924
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
12"tenon saw by Spear & Jackson
1926
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Neolithic flint scraper
4000-2001 BCE
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
Lap Scales
circa 1920
Sectioned model steam locomotive boiler
circa 1920
British War medal - G.F.W. Keen
1920
Earth thermometer with bent stem, c. 1925.
1925
Portable thermometer screen
1925
Marconi-Sykes magnetophone
1923