Reason slot meter, c.1920.
1918-1922
Straight horn loudspeaker, 1921-1926
1921-1926
Addac adding machine
1926
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Alcock and Brown's Vickers Vimy Biplane
1919
'Jason I', de Havilland DH.60G Gipsy Moth
1928
English teddy bear: golden mohair
1920-1929
Hobbs-type artificial left hand, Europe, 1918
1918
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Two-valve short wave radio - telephonic receiver, 1927
1927
Replica of the first Morse telegraph, 1835
1934
Loud speaker valve type L.S.5. W/T, 1923
1923
Cosmos crystal receiver, 1920-1930
1920-1930
"Airway" vacuum cleaner, c.1930
1930
Amplion loud speaker with wooden horn, 1925
1925
Goddard combustion chamber top
circa 1927
Goddard rocket fuel tank
circa 1930
Chain of Office
1927
London & North Eastern Railway ceramic cat
circa 1930
Victory medal - G F W Keen
1918
Harwood self-winding wrist-watch of about 1930
circa 1930
Roving frame
1927
Petrol locomotive
1925
Brownie crystal receiver and pair of Lissen headphones, 1924-1927
1924-1927
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Radio tuning coil No. 200, 1922-1923
1922-1923
Radio tuning coil No. 300, 1922-1923
1922-1923
S.215 dummy valve, 1920-1929
1920-1929
Instruction booklet for Cosmos crystal receiver, 1920-1930
1920-1930
model steam locomotive London, Brighton & South Coast Railway
1925
Neveroil Roller Bearing axlebox for light railway truck
1930
Model steam locomotive LMS 'Royal Scot'
1927
Wrapping block
circa 1920
Demonstration radio receiver
1926
Gold amulet in the form of a cobra
2000-100 BCE
Bottle of medicinal water from La Rampe
1920-1928
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Framed poster advocating vaccination against smallpox
1923
Volume 1 No. 1 of "Television" monthly magazine, 1928
1928
Model locomotive, O Gauge, London & North Eastern Railway
1925-1927
Wooden prosthetic hand with rigid fingers
circa 1920
McKay artificial left arm
1920
Working Model locomotive
1922
Novelty model
1955; 1830
Post mortem table ceramic
1921-1930
Obsidian possibly used in trephination experiments
1918-1920
The Munition Girls
1918
"Swiftsure" copper posser by the British Vacuum Wsher Co. of Islington
1921