File:1930's 35mm Gaumont Kalee film projector. 3.jpg - Wikipedia

History of film - Wikipedia

March, 2009

Wetzlar Camera Auction 9 October 2021: A personal preview - Macfilos

Movie projector - Wikipedia

Movie projector - Wikipedia

Gaumont-Kalee GK21 35mm cinema projector

History of film - Wikipedia

Category:Film projectors - Wikimedia Commons

File:1930's 35mm Gaumont Kalee film projector. 3.jpg - Wikipedia

Gaumont-Kalee GK21 35mm cinema projector

Movie projector - Wikipedia

British Cinema - A Private Collection of Cinema Projectors