'Cat's whisker' Crystal Radio
1920-1925
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
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
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
Petrol locomotive
1925
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
Brass worksplate, Manning Wardle & Co
1920
Working Model locomotive
1922
Novelty model
1955; 1830
Wrapping block
circa 1920
Straight horn loudspeaker, 1921-1926
1921-1926
Desk telephone transmitter and receiver (sectioned), 1926.
1926
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
Model of a pendulum clock based on Galileo's design
1921
Rolling ball clock by E. Dent and Co
1920
Gold amulet in the form of a cobra
2000-100 BCE
Framed poster advocating vaccination against smallpox
1923
McKay artificial left arm
1920
Demonstration radio receiver
1926
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Lap Scales
circa 1920
British War medal - G.F.W. Keen
1920
model locomotive, London & North Western Railway
1925
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
Brass worksplate no 1982, Manning Wardle & Co
1920
Ceramic milk jug, London & North Eastern Railway
1924
Locomotive worksplate
1920
V2A Marconiphone receiver (long-range model) , 1922-1924
1922-1924
Amplifying valve type V24, 1920-1922
1920-1922
Ora wireless receiving triode, 1921
1921
Popular Wireless no. 1 vol. 1, 1922
1922
Main part of Marconi 1.5KW transmitter from 2LO
1922-1925
No. I.T. Morse tape printer, 1925
1925
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Burndept mark IV tuner with glass back, 1922-1923
1922-1923
Set concert coils, 1922-1923
1922-1923
Loaded submarine telegraph cable, 1926
1926