Telescope by Galileo (replica)
1610; 1923
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Mousetrap Camera
1834-1836
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Marconi-Sykes magnetophone
1923
Rolling ball clock by E. Dent and Co
1920
Photographer's 'Birdie'
circa 1920
BBC 'Bijou' Crystal Set Receiver Type 6
1923-07
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 a pendulum clock based on Galileo's design
1921
Gold amulet in the form of a cobra
2000-100 BCE
Savoy Hill 'Meat Safe' microphone stand
1923
Neolithic flint scraper
4000-2001 BCE
Locomotive worksplate
1920
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Crystal radio receiver
circa 1923
Marconi-Sykes Magnetophone microphone
1923
Radio Times volume 1 No. 1, 1923
1923
Popular Wireless no. 1 vol. 1, 1922
1922
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
Child's china tea plate, 1922-1923
1922-1923
Lap Scales
circa 1920
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
Radio tuning coil No. 300, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 400, 1922-1923
1922-1923
Set concert coils, 1922-1923
1922-1923
Card of Authority to use portable receiver, 1922
1922
Radio tuning coil No. 750, 1922-1923
1922-1923
Ora wireless receiving triode, 1921
1921
Radio tuning coil No. 1000, 1922-1923
1922-1923
Hand crank for “NS No. 3 Kine’ Camera"
1922
Replica Grand Junction Railway travelling post office
1938; (1838)
F/3.5 Ross "Xpres" lens
circa 1922
Canvas Case for 35mm Ciné Camera used on 1922 Everest expedition
1922
Wayne Petrol Pump, 1923, in 'BP' Livery
1923
Homemade crystal set radio receiver
1922
Hose for Wayne Petrol Pump
1923
Headphones
1920-1922