Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,478 pages of information and 233,901 images on early companies, their products and the people who designed and built them.
of Mortimer Street, London.
1948 Company made public.
1956 The name of British Optical and Precision Engineers was changed to Rank Precision Industries which included G. B. Equipments Ltd, G. B.-Kalee Ltd, Taylor, Taylor and Hobson Ltd, A. Kershaw and Sons Ltd. Agent for ACEC-Dictorel dictation equipment. Manufactured microfilm-based recording system for Burroughs Adding Machine to Bell and Howell design. Introduced Replicta copying machines
1957 Developed portable recording equipment that could be used by cameramen for recording sound on 16mm film
1958 High speed Xeronic computer printer
1961 Manufacturers of engineers' measuring instruments, machine tools, lenses and optical instruments; manufacturers of G. B. Bell and Howell 8mm and 16mm cine equipment, film strip and slide projectors and specialised camera equipment; cinema, theatre and studio equipment manufacturers and seating furnishers, also cinema screens, 8mm and 16mm screens, screen frames and stage equipment; Xeronic output computer printer. 4,500 employees. 
1967 Rank Pullin Controls made the Aldis signalling lamp
1968 New division of Rank established; this was to be called Rank Precision Industries; it would focus on development of the scientific instruments business; initially involved Hilger and Watts, Rank Taylor Hobson, Rank Bush Murphy Electronics, Rank Electronic Tubes.
1969 Split into 4 divisions: analytical, metrology, broadcast and industrial.
1988 Sold the Rank Pullin Controls thermal imaging business and the related military thermography business of Rank Taylor Hobson to GEC. Rank Pullin Controls would concentrate on industrial metrology.