Rogers, Heron and Pettit
1922 Consultants for Industrial Works Design, 181, Queen Victoria Street, London, E.C.4. T. A.: " Herongers, London." T. N.: Central 2471 (3 lines ). Partners: F. Heron Rogers, M.I.Mech.E., and Walter R. Pettit, M.I.Mech.E.: W. R. Pettit joined firm in 1915.Chief Works: Factory installations: over one hundred, including design, layout and equipment, and in some cases organization. For chemicals, oil, margarine, tungsten, steel, glass, acids, explosives, engineering shops. Publications: F. H. Rogers, joint editor with G. W. Watson of " The Motor Mechanic's Handbook." Member of the St. Stephen's and Chemical Industry Club. War Services.—Factories for explosives, including gun-cotton, picric acid, nitric; anaesthetics, lanoline, oils, aeroplane factories, design of special chemical plant.