Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,400 pages of information and 233,519 images on early companies, their products and the people who designed and built them.
of "Pneumastamp House, 125 Upper Thames Street, London, EC4. Telephone: Central 4113 (private exchange). Cables: "Bluejacket, London"
1929 British Industries Fair Advert for Picture Printing and Colouring Outfits; Educational Printing Toys, Pneumastamps; Straightline Daters. Manufacturers of "Pneumastamps" of every description, Self-inking Pads and Endorsing Inks, Solid Rubber Types, Sign and Price Markers, Patent "Straightline" Daters, Hand and Line Daters of all descriptions. (Toys, Games and Baby Carriages Section - Stand No. C.3)  Also Manufacturers of Picture Printing and Colouring Outfits and Union Jack Printing Outfits. (Stand No. R.10)