Isenthal and Co
of Ducon Works, Victoria Road, North Acton, London, W3.
of 85 Mortimer St, London (1908); of Denzil Works, Willesden, London, N.W. 10 (1926).
1908 Instruments for electrical measurement.
1937 Resistance and relay manufacturers.
Sources of Information
- The Engineer 1926/01/22
- 1937 The Aeroplane Directory of the Aviation and Allied Industries