Telescope by Galileo (replica)
1610; 1923
Beyer-Garratt South African Railways Locomotive
1929
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Mousetrap Camera
1834-1836
National Diesel Engine
1928
Radium teletherapy apparatus, the radium 'bomb'
1925-1930
Barber-Colman knotter
circa 1925
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Marconi-Sykes magnetophone
1923
Petrol locomotive
1925
BBC 'Bijou' Crystal Set Receiver Type 6
1923-07
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
Post mortem table ceramic
1921-1930
Baird Phonovision disc, 1927-1928
1927-1928
Freud electronic laughing ball
1990-96
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Replica of the first Morse telegraph, 1835
1934
Siemens Neophone telephone, 1929
1929
Roving frame
1927
Elm Street Mill Cross-Compound Steam Engine
1926
Model steam locomotive LMS 'Royal Scot'
1927
Mink G goods van
1931
Mineral wagon used at Stanton Ironworks
1931
Framed poster advocating vaccination against smallpox
1923
Primax moving iron loudspeaker, 1924-1927
1924-1927
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Vitaphone disc for sound film 'Sunny' (1930, USA)
1930
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
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Neolithic flint scraper
4000-2001 BCE
Crystal radio receiver
circa 1923
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Earth thermometer with bent stem, c. 1925.
1925
Volume 1 No. 1 of "Television" monthly magazine, 1928
1928
"Racial" brand cervical cap
1921-1931
Eight-day astronomical longcase clock by Thomas Vickery
1931
Addac adding machine
1926
Marconi-Sykes Magnetophone microphone
1923
Marconi-Reisz 'Marble' Microphone
1927-30
Working Model locomotive
1922
Novelty crystal radio set, 1925-1930
1925-1930
Novelty model
1955; 1830
Samples of cinchona bark
1930-1931
Thomas Lewis’ electrocardiograph
1930
Selector super portable broadcast receiver, 1925-1930
1925-1930
Vaccination set, London, England, 1925-1928
1925-1928