Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,402 pages of information and 233,863 images on early companies, their products and the people who designed and built them.

Automatic Coil Winder and Electrical Equipment Co

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1933. Multiple Coil Winder.
1933. Criss-Cross Coil Winder.
1934. AvoDaptor.
December 1936.
February 1936.
5th March 1936.
August 1937.
6th January 1939.
22nd March 1941.
1942. Avo bonding meter.
April 1943.
May 1943
June 1944
December 1945
December 1946.
September 1947
January 1949.
March 1949.
May 1949.
June 1949.
September 1949.
September 1953. Avo Model 8.
September 1953.
January 1957.

Makers of Avometer, of Winder House, Douglas St, London SW.

1923 Private company formed.

Donald Macadie, a Post Office engineer, dissatisfied with having to carry many separate instruments, invented a meter that could measure Amps, Volts and Ohms - the multifunction meter was named AVO. Macadie took his idea to the Automatic Coil Winder and Electrical Equipment Co. The first AVO was put on sale in 1923, initially a DC-only instrument. Many of its features remained almost unaltered right through to the last AVO Model 8.

1957 Address: Avocet House, Vauxhall Bridge Rd, London[1].

1957 Became public company: Avo Ltd, of Avocet House, Vauxhall Bridge Rd, London, to manufacture instruments with the AVO trademark.

1959 Metal Industries Ltd acquired Avo Ltd, including its subsidiary Taylor Electrical Instruments Ltd[2]

1961 Manufacturers of electrical, electronic and nucleonic measuring instruments and coil winding machines. 700 employees. [3]

See Also


Sources of Information

  1. The Times, 28 May 1957
  2. The Times, 8 July 1959
  3. 1961 Dun and Bradstreet KBE