Penicillium Mould presented by Alexander Fleming
1935
One of the First Rechargeable Batteries, about 1860
1860
Cryptograph (coding and decoding machine) by Sir Charles Wheatstone, 1843-1875
1843-1875
Section of wooden water pipe laid by the New River Co.
1600-1800
Artificial right hand, Europe
1915-1925
Lissen Headphones, 1922-1930
1921-1930
Wooden-cased mill, Europe, 1701-1830
1701-1830
Wheatstone printing telegraph, 1841
1841
Anatomical model of the spine
1901
Enema syringe
1701-1800
Speech memory board from System X Automatic Announcement Subsystem, 1979-1985
1979-1985
Pill coating machine, France, 1915-1925
1915-1925
Embossed hip-flask
1801-1900
Prototype of the Brougham carriage
1838
Metal lice comb, 'Derbac' brand, England, 1930-1940
1930-40
Microscope by Marshall, c. 1700
1695-1705
‘Magnet’ model electric cooker, around 1935
circa 1935
Electric Construction Company mercury arc rectifier
Bucket Pump for hand spraying of cattle
One "Exide" CZG3 2 volt lead-acid accumulator
Aeolipile, French 18th century
1700-1799
mercury motor type electricity supply meter by Ferranti
1884
Chamberlain and Hookham DC ampere-hour meter
electrodynamometer voltmeter
Dissecting microscope, c. 1750
1745-1755
recording moving iron ammeter
electrostatic voltmeter no. 1391
Archibald V Hill’s thermopile used to measure heat production, England, 1950-1960
1950-1960
Siemens electro-dynamometer-ammeter
1882
Modified form of John Marshall's Compound microscope
1725-1735
Siemens electrodynamometer wattmeter (open instrument)
Reyrolle metal-clad 5A plug to BS 196
1955
Aron watt hour, clock type meter
Cuff type (scroll foot) microscope by James Mann, c. 1755
1750-1760
Edison screw pendant type lamp holder
Portable DC mercury motor type Kilowatt-hour meter
British Thomson-Houston recording watt-hour meter
One of Wheatstone's electromagnetic engines, 1841
1841
Model 401 Thermo-Ammeter
Radiometer multi-range test meter
Lord Kelvin's paralleling voltmeter
moving iron ammeter
1890-1900
Siemens and Halske direct current indicating and integrating watt-hour meter
Aron clock-type ampere hour electricity supply meter for 100 amperes
1884-1900
Siemens Brothers
Aron clock-type ampere hour meter
1898
Miniature Abacus in wood
1845-1855
Early voltmeter
White porcelain ceiling rose with integral fuse
1896
