Searle's apparatus for determining the mechanical equivalent of heat, by W.G. Pye & Co., Cambridge Searle's apparatus for determining the mechanical equivalent of heat 1896-1965
Mueller's apparatus for demonstrating the law of reflection, by Max Kohl A.G., Chemnitz Mueller's apparatus for demonstrating the law of reflection 1875-1924
Hope's apparatus for determining the temperature of maximum density of water apparatus for determining the temprature of maximum denisty of water 1900-1959
Charles' law apparatus Edser's pattern, by W. & J. George and Becker Ltd., Birmingham 3 ( and) Alperton, Wembley, fitted in inverted bell jar to act as water bath, and mounted on mahogany stand Charles' law apparatus Edser's pattern
Ekman current meter, by Ljungmann, Christiania, 1910 Ekman current meter, by Ljungmann, Christiania, with box and accessories 1910
Physiology experimental apparatus by Palmer of London Physiology experimental apparatus by Palmer of London
Apparatus for Marriott's Paradox, consisting of brass pulley block; 3 pullies, of which centre one is of smaller diameter, on common axis; boxwood bent lever, arms 12 1/2" x 5"; brass fulcrum and mahogany pillar bucket. Apparatus for Marriott's Paradox 1762
Apparatus used by Wheatstone for demonstrating pseudoscopic vision. Apparatus used by Wheatstone for demonstrating pseudoscopic vision
Balfour Stewart's apparatus to determine the action of the circular current on a magnet Balfour Stewart's apparatus
Direct-reading current meter by Kelvin Hughes, c. 1965 Direct-reading current meter by Kelvin Hughes 1965
Two sets of apparatus for determining the salinity of seawater, invented by Verney Stott, c. 1925. One set here. Two sets of apparatus for determining the salinity of seawater
Apparatus used by M. Berthelot to prepare ozone from oxygen using silent electrical discharge. 1879 Apparatus used by M. Berthelot to prepare ozone from oxygen using silent electrical discharge. 1879
Apparatus described as "hydrogen generator" but apparently incomplete and with no obvious function, Galvani collection Apparatus described as "hydrogen generator" but apparently incomplete and with no obvious function 1780-1798