Murphy Chemical Co
of Wheathampstead, near St. Albans, Herts. Telephone: Wheathampstead 2177-8. Cables: "Alvesco, Wheathampstead"
1947 British Industries Fair Advert as Manufacturers of Agricultural and Horticultural Insecticides, Fungicides and Fumigants. Winter Washes containing Tar-oil, Petroleum Oil, D.N.C.-Petroleum and Thiocyanate-Petroleum. De-De-Tane D.D.T. Insecticides. Sulphur and Copper Fungicides. Oil Emulsions. Spray Spreaders. (Chemicals etc. Section - Olympia, Ground Floor, Stand No. A.1131) [1]
Mid 1950s Acquired by Glaxo[2].
1963 and 1966 Foldout charts for the identification and control of garden pests, diseases and weeds. [3]
1973 Glaxo decided to concentrate on its mainstream activities, so attempted to sell Murphy Chemical Co[4]
1977 Glaxo sold the company to Dalgety.