'Cat's whisker' Crystal Radio
1920-1925
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Tablet Stone, Moretonhampstead & South Devon Railway
1924
Gold amulet in the form of a cobra
2000-100 BCE
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Replica of the first Morse telegraph, 1835
1934
Addac adding machine
1926
Brass worksplate, Manning Wardle & Co
1920
Working Model locomotive
1922
Novelty model
1955; 1830
model steam locomotive London, Brighton & South Coast Railway
1925
Rolling ball clock by E. Dent and Co
1920
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Gecophone broadcast receiver, model B.C 3200, 1924
1924
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
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
Wrapping block
circa 1920
Straight horn loudspeaker, 1921-1926
1921-1926
McKay artificial left arm
1920
Wooden prosthetic hand with rigid fingers
circa 1920
Radio tuning coil No. 150, 1922-1923
1922-1923
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 300, 1922-1923
1922-1923
Radio tuning coil No. 200, 1922-1923
1922-1923
Demonstration radio receiver
1926
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Lap Scales
circa 1920
British War medal - G.F.W. Keen
1920
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Neolithic flint scraper
4000-2001 BCE
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
12"tenon saw by Spear & Jackson
1926
Ceramic milk jug, London & North Eastern Railway
1924
Locomotive worksplate
1920
Freud electronic laughing ball
1990-96
Radio Times volume 1 No. 1, 1923
1923
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
BBC printing stamp issued to the Willesden Wireless Company
1922-1924
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Set concert coils, 1922-1923
1922-1923
Loaded submarine telegraph cable, 1926
1926
Radio tuning coil No. 400, 1922-1923
1922-1923
Radio tuning coil No. 75, 1922-1923
1922-1923