Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 163,173 pages of information and 245,641 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Pultra

From Graces Guide

‎‎

June 1944
March 1945.
August 1945.
August 1946.

of 24 Gravel Lane, Salford, Manchester.

Also known as P.T.A.

Makers of instrument lathes.

1942 Patent. Tool Holder for Machine Tools. P. P. Thornton, F. M. Shaw, and Pultra, Ltd.[1]

1956 Machine tool engineers of Dawson Road, Broadheath, Altrincham. 58 engineers and 12 staff.[2]

1956 Acquired by Gas Purification and Chemical Co.[3]

1961 Sold to the British Tap and Die Co.[4]

The scientist James Lovelock owned and used a Pultra lathe for development work in his home laboratory. Now in the collection of the Science Museum[5]

See lathes.co.uk for excellent information on the company and its products.

See Also

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Sources of Information

  1. Engineering 1942 Jan-Jun: Index: Patent Record
  2. Manchester Evening News - Friday 27 July 1956
  3. The Scotsman, April 11, 1956
  4. Biggleswade Chronicle, November 3, 1961
  5. [1] Science Museum: Watchmaker's lathe used by James Lovelock