Stud field regulator, 1900-1950
1900-1950
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Demainbray's polemoscope
1701-1752
Plaster bust
1790-1819
Arc for Leksell Stereotactic System, Sweden, 1992-1999
1992-1999
Rotary convertor, 1900-1950
1900-1950
Watt's end measuring machine
1776
Replica of Bell's 1876 'iron-box' receiver, 1959
1876
Umbrella handle
Table instrument with dial, 1903
1903
South Eastern & Chatham Railway Class D 4-4-0 steam locomotive No 737
1901
Model railway turntable
1850
Sans Pareil model
1955-1965
model passenger locomotive 1837
1837
Model of fog signal machine and repeater
1900
Model locomotive - Novelty
Model steam road vehicle, full sized replica of experimental model of approx 1/8 scale
'Pedoscope' shoe-fitting X-ray viewer
1948-1953
Cybernetic tortoise, developed to help with studies on brain function
1950-1952
Barnard Tompion clock
1708
Brass worksplate, Manning Wardle & Co
1920
Brass worksplate no 517, Manning Wardle & Co
1875
Brass worksplate no 917, Manning Wardle & Co
1884
Steam locomotive, entitled Evening Star
1960
Battery locomotive, North Staffordshire Railway
1917
Model diesel-electric locomotive
Model locomotive, Great Western Railway
1916-1996
Long mahogany strip brass pin gauge with five pins
1758-1769
Short mahogany strip brass pin gauge with eight pins
1758-1769
Perspective drawing apparatus, incomplete, in integral mahogany case
1760-1770
Long mahogany strip brass pin gauge with eight pins
1758-1769
Model of Rotative Beam Engine by William Tongue, c. 1804
1797-1804
Lord Kelvin's 'ironclad' marine galvanometer, 1865-1866
1865-1866
A.B.C. telegraph transmitter, 1835-1845
1835-1845
Straight horn loudspeaker, 1921-1926
1921-1926
Morse key with send-receive switch, 1900-1920
1900-1920
Thomson's mirror marine galvanometer, 1858
1858
Cylinder electrical machine, 1810-1817
1810-1817
Mirror galvanometer for the transatlantic telegraph, 1858
1858
Fireless locomotive, named Imperial
1956
Dissecting microscope used by Sir Ronald Ross
1890-1910
Whirling Psychrometer, 1950-1953
1950-1953
Spring-driven Bracket Clock by Isaac Thuret
1665-1670
Sector by Bion
1700-1720
Ready reckoner for ship's cargoes
1807
Hertzian receiving resonator, 1890-1894
1890-1894
Compendium by Elias Allen
1630-1653
Magnetic key, 1850-1870
1850-1870
Square signed "J.Ramsden, 1757"
1757
Experimental carbon pencil microphone, 1878-1890
1878-1890