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Container, part of GLC soap film gas analysing apparatus

Container, part of GLC soap film gas analysing apparatus

1934-36

Container of copper oxide, part of GLC soap film gas analysing apparatus

Container of copper oxide, part of GLC soap film gas analysing apparatus

1934-36

Component of GLC soap film gas analysing apparatus

Component of GLC soap film gas analysing apparatus

1934-36

Two copper oxide high voltage rectifiers: 1934 British H 176 (2 units); 1935 British J 176

Two copper oxide high voltage rectifiers

1934-1935

Sample of catalyst, pellets of low temperature shift converter, ICI 52-1, stored in glass flask (displayed inverted) for animated process flow display, part of of 'Ammonia Four', an ammonia synthesis plant at ICI Agricultural Division, Billingham works, by Cleveland Process Designs and ICI Ltd, Stockton on Tees, England, 1976.

Sample of catalyst, pellets of low temperature shift converter, ICI 52-1, for ICI Billingham 'Ammonia Four' model

1976

Nine copper oxide low power rectifiers: 1931 British full wave 250 u.a.; 1931 British half wave WX6; 1934 British full wave 10 m.a.; 1934 British full wave 250 u.a.; 1942 British half wave WX6; 1942 British half wave WX6 miniaturised; 1942 Swedish full wave 10 m.a.; 1942 German half wave; 1946 British half wave KG3

Nine copper oxide low power rectifiers

1931-1946

Eight copper oxide rectifiers: 1928 British R4-55; 1928 American A-10; 1930 British H.T.4; 1930 British H.T.3; 1931 British H.T.10; 1931 British A.6; 1932 British A.6; 1934 British sample plate

Eight copper oxide rectifiers

1928-1934