Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,344 pages of information and 230,023 images on early companies, their products and the people who designed and built them.
J. B. Stone & Co of 135 Finsbury Pavement, London EC2. Telephone: National 8695. Telegraphic Address: "Sightseer, Ave., London". (1937)
1917 Advert for machinery belting. 
1919 Advert for machinery belting. 
1921 Advertising Wilson's Patent Nibbler
1937 Listed Exhibitor - British Industries Fair. Nibbling Machines for the rapid cutting of mild steel, 1/32in. (0.76 mm) to 5/16in (7.87 mm), or stainless steel 1/32in (0.76 mm) to 1/8in (3.18 mm) thick. Medium size machines are now fitted with adjustable strokes. (Stand No. D.302) 
1938 "Alligator" flexible steel.