Seeger dry-air siphon refrigerator, c. 1900.
1880-1920
Addac adding machine
1926
National Cash Register co model 422X cash register
circa 1910
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Burroughs hand operated adding and listing machine
1917
Early model wooden-case comptometer by Felt and Tarrant Manufacturing Co.
1887-1903
Goddard combustion chamber top
circa 1927
"Ingersoll" wrist watch with leather strap
1915
Light-bulb, filament, carbon
About 1890
horological rubber
1850-1900
Papier mache model of human eye
1913
Lancet case, carved with pictures of Napoleon's tomb
1821-1850
Anti-mosquito spray gun
1914-1918
Ceramic pot lid for cherry tooth paste
1870-1910
Ceramic pot lid for cherry tooth paste
1860-1910
Marey sphygmograph and case
1857-1870
Schwann's microscope (no case)
1835
Fechner's double sound pendulum for testing aural discrimination
1898-1908
Dissecting microscope used by Sir Ronald Ross
1890-1910
Early binaural stethoscope
1861-1866
Pocket-sized obstetrical forceps
1864-1900
Model of Grew's locomotive for ice
circa 1861
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Stock Exchange automatic telegraph, 1872-1880
1872-1880
De Forest syntoniser, 1902-1907
1902-1907
Magnetic key, 1850-1870
1850-1870
Ring transformer, 1892
1892
Two-valve short wave radio - telephonic receiver, 1927
1927
Replica of the first Morse telegraph, 1835
1934
Strowger automatic telephone, 1901-1910
1901-1910
Impulse sender (dial), 1915
1915
Strowger calling dial, 1906
1906
Loud speaker valve type L.S.5. W/T, 1923
1923
Siemens and Halske's ABC Telegraph used in Russia
1850-1897
Bell telephone, mahogany case, 1878
1878
Brownie crystal receiver and pair of Lissen headphones, 1924-1927
1924-1927
Switchboard for German military portable X-ray apparatus
1914-1918
North Eastern Railway, locomotive 910
1875
Dagron microphotographic camera
circa 1860
Thompson's Revolver Camera
1862
Thornton-Pickard Amber camera
circa 1897
Replica of 1903 Wright Brothers' aero engine
after 1903
Reason slot meter, c.1920.
1918-1922
Colour lithograph of the S.S. 'Great Eastern'
1850-1859
Hand-operated mill for grinding coffee beans
1880-1900
Model of Arthur Parsey's compressed air locomotive, 1845
1845
Reproduction in wood. No 127
1808
Reproduction in wood, Dr Joseph Black
1809
Chain of Office
1927