Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Working Model locomotive
1922
model steam locomotive London, Brighton & South Coast Railway
1925
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Replica of the first Morse telegraph, 1835
1934
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
Gold amulet in the form of a cobra
2000-100 BCE
Tablet Stone, Moretonhampstead & South Devon Railway
1924
Straight horn loudspeaker, 1921-1926
1921-1926
Desk telephone transmitter and receiver (sectioned), 1926.
1926
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
Novelty model
1955; 1830
model locomotive, London & North Western Railway
1925
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Ceramic milk jug, London & North Eastern Railway
1924
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Earth thermometer with bent stem, c. 1925.
1925
Portable thermometer screen
1925
Child's china tea plate, 1922-1923
1922-1923
Card of Authority to use portable receiver, 1922
1922
Three-valve radio receiver, 1922-1925
1922-1925
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924
1924
Ora wireless receiving triode, 1921
1921
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
Popular Wireless no. 1 vol. 1, 1922
1922
Main part of Marconi 1.5KW transmitter from 2LO
1922-1925
Cossor Wurncell W.1 output triode valve (McVitie Weston valve collection), 1923
1923
Bell from Cable Ship 'Faraday', 1923
1923
No. I.T. Morse tape printer, 1925
1925
Neolithic flint scraper
4000-2001 BCE
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Radio Times volume 1 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