Battery locomotive, North Staffordshire Railway
1917
Reason slot meter, c.1920.
1918-1922
Straight horn loudspeaker, 1921-1926
1921-1926
Cotton Bale Breaker
1911
Dye Sample
1916
Replica of 1903 Wright Brothers' aero engine
after 1903
Addac adding machine
1926
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Double surface of revolution of constant negative curvature
1910
Revolution of constant negative curvature
1910
Alcock and Brown's Vickers Vimy Biplane
1919
Mill Engine
1903
National Cash Register co model 422X cash register
circa 1910
Creda No 762 electric toaster with open element. No. 4515A
1914-1920
Dental anaesthetic syringe
1907-1920
Coolidge X-ray tube, 1913-1923.
1913-1923
Hobbs-type artificial left hand, Europe, 1918
1918
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Desk telephone transmitter and receiver (sectioned), 1926.
1926
De Forest syntoniser, 1902-1907
1902-1907
Replica of the first Morse telegraph, 1835
1934
Impulse sender (dial), 1915
1915
Strowger calling dial, 1906
1906
Loud speaker valve type L.S.5. W/T, 1923
1923
Amplion loud speaker with wooden horn, 1925
1925
1914-1915 star medal - G F W Keen
1915
Carriage Ashtray from Quintinshill Disaster
1915
Telegraph block instrument, South Eastern Railway
circa 1905
model triple-screw steamship st. denis
1908
Victory medal - G F W Keen
1918
Pocket watch
1904
Helmet, Great Western Railway, Fireman
1912
Model steam locomotive and model railway carriage
1909
Model Great Western Railway locomotive, "Gooch"
1905
'Electric tonic' amusement machine, Europe, 1915-1925
1915-1925
"Ingersoll" wrist watch with leather strap
1915
De Forest audion 1906-1915
1906-1915
Burroughs hand operated adding and listing machine
1917
Gas mask, Germany, 1915-1918
1915-1918
North Eastern Railway Dynamometer Car
1906
Petrol locomotive
1925
Model of a North Eastern Railway coal wagon, c 1915
1910-1920
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Chromolithograph: Amalgamated Society of Engineers Machinists ... by Blades
1904
Murray multiplex tape transmitter, 1910-1920
1910-1920
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904
Radio tuning coil No. 200, 1922-1923
1922-1923
Radio tuning coil No. 300, 1922-1923
1922-1923
Lapel badges, France, 1915-1917
1915-1917