Camera manufacturer, studio and film production company, and developing company; established by James Williamson (1855-1933), chemist, photographer and Kodak agent; began producing motion pictures in 1898; Williamson Kinematographic Company opened its first purpose-built film production studio and film processing works at Cambridge Grove, off Wilbury Road Hove, 1902; Williamson quit film production from 1909 with comapny concentrating on film processiong and camera manufacturing ; in 1910 the studio was taken over by Charles Urban's Natural Colour Kinematograph Company; prioduced aerial cameras during first world war