Block of Scintillator Crystals
1997-2000
Specimen of television cable, 1936
1936
Experimental carbon pencil microphone, 1878-1890
1878-1890
Experimental microphones with carbon pencils and cups, 1878-1890
1878-1890
Demainbray's rat's tail crane model
1735-1753
Tobacco box - made from a piece of roman lead pipe
1854
Double brass stand for bell jars on a brass pillar
1761
Fixed gap discharger, 1900-1950
1900-1950
Gamma Photon Detector
1995-2000
Watson-Odelca x-ray set for mass miniature radiography, Europe, 1960-1961
1960-1961
Edison's electric carbon filament lamp
1879
Model steam locomotive
Lead weight marked 'Reid' from the first cross-Channel telegraph cable, 1850.
1850
Geometrical Groin Vault, string surface model
1872
Lead-lined radioactive material container
1970-1990
Gamma Photon Detector
1986-1997
Cell used in interruptor circuit, 1875-1890
1875-1890
Type used for original Morse telegraph, 1835
1835
George III's clockwork bell
1761
Marine chronometer by E. Barthet, found on an abandoned ship
1840
Specimen of telescoped cable on wood base, 1895-1931
1895-1931
Astronomical longcase clock with a planetarium by Roland Jarvis
1982
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass 'Technico' hydrometer. 192mm long. Range 1.700 - 1.750. Lead weight and paper scale. In dark blue cardboard tube
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Glass 'Technico' hydrometer. 183mm long. Range 1.400 - 1.500. Lead weight and paper scale. In green cardboard tube
1860-1980
Lead driver weight from the regulator timepiece
1937
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass Baume hydrometer made by G H Zeal Ltd
1900-1980
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass hydrometer marked Gallenkamp
1930-1960
Glass 'streamline' hydrometer marked J W Towers Ltd
1930-1960
Glass specific gravity hydrometer marked Gallenkamp
1930-1980
Glass 'Technico' specific gravity hydrometer
1930-1980
Glass brinometer by unknown maker
1900-1950
Glass hydrometer by unknown maker
1920-1960
"Dynamax 25" dual focus rotating anode x-ray tube
1968-1981
Right angled branch joint for round lead pipe
Glass hydrometer by A J Reynolds, Barnsbury
Glass Baume hydrometer for heavy liquids
Glass 'streamline' hydrometer marked J W Towers Ltd
1930-1960
Glass hydrometer for battery acid and marked D P Battery Co Ltd
1920-1960
Glass hydrometer for battery acid and marked D P Battery Co Ltd
1920-1960
Glass hydrometer for battery acid and marked D P Battery Co Ltd
1920-1960
Glass hydrometer marked Baird & Tatlock
1945-1980
The original Gyroscopic compass
1914-1915
Bulletproof vest used by BBC cameraman D. Stone
circa 1990
"pop-a-point" Lead Pencil, with Refills and Interchangeable Nibs, 1978
1978
Lead matrix
1790-1819
Lead matrix inscribed "Pacte Federale 14 Juillet 1790"
1790-1819