T. Webster and Co
of Diamine Works, Tariff Street, Liverpool, 5. Telephone: Liverpool North 2130. Cables: "Diamine, Liverpool". London Office: Diamine House, Andover Road, NW7.
1947 British Industries Fair Advert as Manufacturers of "Diamine" Writing Inks, for Commercial, Educational and General Usage. Also Ink Powders and other office sundries: Adhesives, Typewriter Carbons, Ribbons, Blackboard Paints, Renovators, Marking and Stencilling Inks for packages. (Stationery and Printing Section - Olympia, 1st Floor, Stand No. G.2083) 
Sources of Information
- 1947 British Industries Fair Advert 236; and p293