Telescope by Galileo (replica)
1610; 1923
'Cat's whisker' Crystal Radio
1920-1925
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Mousetrap Camera
1834-1836
Barber-Colman knotter
circa 1925
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Rolling ball clock by E. Dent and Co
1920
Marconi-Sykes magnetophone
1923
Photographer's 'Birdie'
circa 1920
BBC 'Bijou' Crystal Set Receiver Type 6
1923-07
Petrol locomotive
1925
McKay artificial left arm
1920
Replica of the first Morse telegraph, 1835
1934
Wooden prosthetic hand with rigid fingers
circa 1920
Framed poster advocating vaccination against smallpox
1923
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Model of a pendulum clock based on Galileo's design
1921
Amplion loud speaker with wooden horn, 1925
1925
Gold amulet in the form of a cobra
2000-100 BCE
Savoy Hill 'Meat Safe' microphone stand
1923
Three-valve radio receiver, 1922-1925
1922-1925
Neolithic flint scraper
4000-2001 BCE
Locomotive worksplate
1920
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Earth thermometer with bent stem, c. 1925.
1925
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Crystal radio receiver
circa 1923
Marconi-Sykes Magnetophone microphone
1923
Working Model locomotive
1922
Novelty model
1955; 1830
Portable thermometer screen
1925
Radio Times volume 1 No. 1, 1923
1923
Popular Wireless no. 1 vol. 1, 1922
1922
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Wrapping block
circa 1920
Radio tuning coil No. 200, 1922-1923
1922-1923
Bell from Cable Ship 'Faraday', 1923
1923
Lap Scales
circa 1920
Sectioned model steam locomotive boiler
circa 1920
Child's china tea plate, 1922-1923
1922-1923
Amplifying valve type V24, 1920-1922
1920-1922
Radio tuning coil No. 75, 1922-1923
1922-1923
Radio tuning coil No. 500, 1922-1923
1922-1923
BBC printing stamp issued to the Willesden Wireless Company
1922-1924
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
Hydraulic Pipe
1925
Radio tuning coil No. 300, 1922-1923
1922-1923