'Cat's whisker' Crystal Radio
1920-1925
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
Working Model locomotive
1922
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
Rolling ball clock by E. Dent and Co
1920
Petrol locomotive
1925
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
Wrapping block
circa 1920
Wooden prosthetic hand with rigid fingers
circa 1920
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
Brass worksplate, Manning Wardle & Co
1920
Novelty model
1955; 1830
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
model steam locomotive London, Brighton & South Coast Railway
1925
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Replica of the first Morse telegraph, 1835
1934
Tablet Stone, Moretonhampstead & South Devon Railway
1924
McKay artificial left arm
1920
Gold amulet in the form of a cobra
2000-100 BCE
Framed poster advocating vaccination against smallpox
1923
Brass worksplate no 1982, Manning Wardle & Co
1920
Ceramic milk jug, London & North Eastern Railway
1924
Locomotive worksplate
1920
Earth thermometer with bent stem, c. 1925.
1925
Portable thermometer screen
1925
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924
1924
Amplifying valve type V24, 1920-1922
1920-1922
Ora wireless receiving triode, 1921
1921
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
Lap Scales
circa 1920
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)
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
British War medal - G.F.W. Keen
1920
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923