Tobacco box - made from a piece of roman lead pipe
1854
Block of Scintillator Crystals
1997-2000
Double brass stand for bell jars on a brass pillar
1761
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
Clock weight from long-case clock by Fromanteel
1660-1665
Geometrical Groin Vault, string surface model
1872
George III's clockwork bell
1761
Model steam locomotive
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
Fixed gap discharger, 1900-1950
1900-1950
Gamma Photon Detector
1995-2000
Lead weight marked 'Reid' from the first cross-Channel telegraph cable, 1850.
1850
Edison's electric carbon filament lamp
1879
Watson-Odelca x-ray set for mass miniature radiography, Europe, 1960-1961
1960-1961
Pendulum clock by Pieter Visbach
1660
Lead matrix
1790-1819
Lead matrix inscribed "Pacte Federale 14 Juillet 1790"
1790-1819
Lead
1862-1880
Common groin
1872
Lead Token (?) of Price Albert
Merchant Token 14th and 15th centuries
14th and 15th centuries
Merchant Token 14th and 15th centuries
14th and 15th centuries
Merchant Token 14th and 15th centuries
14th and 15th centuries
Conoid surface model
1872
Surface string model
1872
Ivory hydrometer 5 1/2" long
1700-1730
Right angled branch joint for round lead pipe
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
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
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