Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,140 pages of information and 223,036 images on early companies, their products and the people who designed and built them.
of Beastmarket Hill, Nottingham. Telephone: Nottingham 40394-5-6-7. Cables: "Splendor, Nottingham". London Office: 7c Lower Belgrave Street, London. Telephone: Sloane 9144-5
1945 Advert for Propax headache tablets. 
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Ladies' and Children's Wear. Sanitary Specialities, Towels, Tampons, "Cropax" Foot Aids, "Propax" Pain Relieving Tablets, "Splenlax", "Splentabs", "Splenfoam", "Universal Klenser". Plastic-wear, Chemists' Sundries, Cot Sheets, Waterproof Pouchets. (Olympia, Ground Floor, Stand No. A.1326)