T. R. Trigger
From Graces Guide
T. R. Trigger
1932 Writes from the British Piston Ring Co
1940 Development and Research Engineer, British Piston Ring Co
See Also
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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 162,241 pages of information and 244,492 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.