Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,717 pages of information and 232,164 images on early companies, their products and the people who designed and built them.
of Meadowcroft Laboratories, Church Street, Chesterton, Cambridge.
1936 Established as a subsidiary of Pye Ltd
1947 Specialists in television pictures tubes, camera tubes, electron microscopes, and monoscopes for television test transmissions, as well as other products such as glass-metal terminals for hermetic sealing
1952 limited production of cathode ray tubes
1952 Some production of special valves
1953 Established Cathodeon Crystals
1981 Making mainly hollow cathode lamps and deuterium arc lamps; also UV lamps, IR detectors, electronic storage devices and glass to metal seals.