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Instrument makers, of Buckingham Works, York.
of Haxby Road, York. Telephone: York 4112. Cables: "Coordinate, York". London Office: Broadway Court, Westminster
1922 Troughton and Simms merged with T. Cooke and Sons to form Cooke, Troughton and Simms
1924 Became a wholly-owned subsidiary of Vickers.
British Separators Ltd was made a subsidiary[1]
1937 Scientific instrument makers. [2]
1939 See Aircraft Industry Suppliers
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Surveying Instruments, Theodolites, Levels, etc. Microscopes for all purposes, Biology, Pathology, Zoology, Botany, Physics, Chemistry, Petrology, Metallurgy, Stereoscopic Microscopes, Vickers Projection Microscope, Optical Measuring Instruments. (Olympia, Ground Floor, Stand No. A.1062) [3]
1963 Part of the new company of Vickers Instruments.
The company still exists as Cooke Optics Ltd and continues to develop camera lenses
See company web site
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