High Vacuum Valve Co
From Graces Guide
of Farringdon Road, London
Previously Freedman Radio Valve Co
1930-33 Paul Freedman was MD
Name changed to Hivac.
See Also
Loading...
Grace's Guide To British Industrial History
Registered UK Charity (No. 1154342)Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,716 pages of information and 247,105 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.