David J. Smith of David J. Smith and Co
1902 Manufacturer of flash boilers
1903 Agent for Trusty Carburetter
1905 David Smith, Great Arthur Street, mechanical engineer.[1]
1918 Article. SUCTION GAS FOR MOTORS. By Major David J. Smith, M.Inst.A.E.
1920 January. Author of technical article in the Automobile Engineer
1922 of 40, Woodberry Grove, Finsbury Park, N.
1923 About a portable motor rail inspection trolley. Illustrated.[2]