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Sangamo Weston of Enfield, Middlesex
By 1937 British Sangamo Co had become Sangamo Weston - activities were expanded by acquisition of companies manufacturing electrical instruments and control systems. Supplied a range of electrical Weston aircraft thermometers, which have the advantage of requiring only a flexible wire connection between the instrument and the point at which the temperature is to be measured. Two types supplied - a thermocouple type for use with aeroengines and a resistance bulb type for measuring lower temperatures. A thermometer selector switch especially designed for use with either type was also available to connect several thermometers to a single indicator.
1938 Improvements in or relating to electrical measuring instruments.
1939 See Aircraft Industry Suppliers
1974 Introduced a high-speed, three dimensional, automatic gauging system and produce a printed record.