Model of Wright Flyer
1903
Model of Leeuwenhoek's microscope
1901-1930
'Cat's whisker' Crystal Radio
1920-1925
Obsidian possibly used in trephination experiments
1918-1920
Alcock and Brown's Vickers Vimy Biplane
1919
Automatic telephone wall, 1900-1910
1900-1910
Strowger step-by-step automatic telephone exchange switch, 1897-1898
1897-1898
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Rolls-Royce 10 hp, two cylinder motor car
1905
Artificial arm, below-elbow prosthesis
1895-1904
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Rover 'Safety' Bicycle, 1885
1885
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
Battery locomotive, North Staffordshire Railway
1917
Ribbon loom with jacquard head
circa 1900
Hull Corporation telephone, 1900-1910
1900-1910
Horseshoe magnet and keep used with experimental form of magnetic detector, 1900-1910
1900-1910
Bottle of Hunyadi Janos mineral water, unopened
1900-1920
Coin operated toilet lock
1890-1930
Model Great Northern Railway Centre-pivot Semaphore Signal
c.1912
Steam locomotive, named Lode Star, Great Western Railway
1907
Pullman Car Company, called Topaz
1913
One of Fleming's first thermionic diode valves, 1889
1889
Brennan's Gyroscopic Mono-rail Car
1907
'Prorace' cervical cap
1915-1925
Timetable, Midland Railway
1903
Single-lens Cine Camera by Louis Le Prince
1888
Bo-Bo No 1
1902
Neveroil Roller Bearing axlebox for light railway truck
1930
Harwood self-winding wrist-watch of about 1930
circa 1930
Copper ore from the Bell Mine
before 1889
Double surface of revolution of constant negative curvature
1910
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Arsenical cobalt or skutterudite, from Skutterude, near Modum, Norway
before 1889
Light-bulb, filament, carbon
About 1890
Burroughs hand operated adding and listing machine
1917
Revolution of constant negative curvature
1910
Early model wooden-case comptometer by Felt and Tarrant Manufacturing Co.
1887-1903
A Stchety, Russian Abacus.
1901-1930
model steam locomotive London, Brighton & South Coast Railway
1925
Commemorative key, Railwaymen's Club and Institute
1928
Impulse sender (dial), 1915
1915
Telephone crossbar switch, Swedish Ericsson, 1921
1921
De Forest audion 1906-1915
1906-1915
A T & T national telephone directory, October 1896
1896
Strowger automatic telephone, 1901-1910
1901-1910
Strowger calling dial, 1906
1906
Letter opener with calendar and map, 1893-1894
1893-4
'Italian Navy' detector, 1899-1901
1899-1901
Replica of the first Morse telegraph, 1835
1934