Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,963 pages of information and 228,875 images on early companies, their products and the people who designed and built them.
J. Bennett Heyde and Co of 18 New Cannon Street, Manchester.
Originally called J. Bennett Von der Heyde, at 6 Brown Street
Makers of Duval's metallic packing for steam engine glands. [Was this the patent of Edmund Martin Leonard Duval of Fives Lille Co?]
1937 Penetrating oil manufacturers. "Benhyco" Gland and Sheet Packings. "Eezit" Penetrating Oil.