Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Working Model locomotive
1922
model steam locomotive London, Brighton & South Coast Railway
1925
Tablet Stone, Moretonhampstead & South Devon Railway
1924
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
Petrol locomotive
1925
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Loud speaker valve type L.S.5. W/T, 1923
1923
Replica of the first Morse telegraph, 1835
1934
Novelty model
1955; 1830
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Demonstration radio receiver
1926
Model of a pendulum clock based on Galileo's design
1921
Gold amulet in the form of a cobra
2000-100 BCE
Framed poster advocating vaccination against smallpox
1923
Addac adding machine
1926
Ceramic milk jug, London & North Eastern Railway
1924
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
model locomotive, London & North Western Railway
1925
Freud electronic laughing ball
1990-96
Earth thermometer with bent stem, c. 1925.
1925
Portable thermometer screen
1925
Marconi-Sykes magnetophone
1923
Radio tuning coil No. 400, 1922-1923
1922-1923
Radio tuning coil No. 1000, 1922-1923
1922-1923
Radio tuning coil No. 500, 1922-1923
1922-1923
Set concert coils, 1922-1923
1922-1923
Savoy Hill 'Meat Safe' microphone stand
1923
Radio tuning coil No. 75, 1922-1923
1922-1923
Radio tuning coil No. 750, 1922-1923
1922-1923
Bell from Cable Ship 'Faraday', 1923
1923
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
12"tenon saw by Spear & Jackson
1926
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
Ora wireless receiving triode, 1921
1921
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Main part of Marconi 1.5KW transmitter from 2LO
1922-1925
Replica of Morse's second model of telegraphy apparatus, 1934
1934
No. I.T. Morse tape printer, 1925
1925
Child's china tea plate, 1922-1923
1922-1923