Baldwin Instrument Co
of Grand Buildings, Trafalgar Square, London, WC2. Telephone: Whitehall 3736. Works at Dartford, Kent
1947 British Industries Fair Advert as manufacturers of Precision Measuring and Indicating Instruments including Resistance, Capacitance and Induction Bridges, Moving Coil Meters (A.C. and D.C.), Potentiometers, Radium Detectors, Light Counters, X-ray Dosage Meters, Resistance Boxes, Moisture Meters. (Scientific and Optical Section - Olympia, Ground Floor, Stand No. A.1102) 
1957 Acquired by C. E. Harper Aircraft Co.
Consisted of 2 divisions - electronics and pneumatics
1959 New factory at Dartford
By 1960 was part of Harper Engineering and Electronics
1963 Elliott Automation acquired Baldwin Instrument Co of Dartford, which had 2 areas of operation: nucleonic instrumentation and fluid power equipment, both complementary to Elliott's existing acitivities.
1967 Baldwins and Isotope Developments were combined in one location at Beenham, Berks
Sources of Information
- 1947 British Industries Fair Advert 403; and p21
- The Times, Apr 07, 1959
- The Times, Oct 21, 1963
- The Times May 31, 1967
- The Times, Dec 06, 1967