Traded at Gt. Turnstile (1900s-1914), 286 High Holborn (1915-1939), 70-80 High Holborn - offices (1941-1950s) & New Eltham, SE9 - works (1941-1950s) all London, England. Preceded by W. F. Stanley. Barometer business of F. Darton and Co. taken over by Russell Scientific Instruments. Dissolved 2001.