• 14 Cinematography
• 14 Technological innovations
• 1 Motion pictures

• 4 Paul's Animatograph Works
• 3 Booth, W.R.
• 3 Hepworth Manufacturing Company
• 3 Hepworth, Cecil M., 1874-1953
• 2 G.A.S. Films
• 2 Smith, G.A.
• 2 Williamson Kinematograph Company
• 2 Williamson, James H
• 1 Mitchell and Kenyon
• 1 Paul, R. W. (Roland Wilmot)
• 1 Smith, G. A.
• 1 Warwick Trading Company

• 15 No linguistic content

Limit year range