Csystophone, “invented” by Bamadas Chatterjee, a research scholar of Calcutta University, was the preeminent indigenous talkie equipment. Csystophone talkie reproduction machine was based on Chatterjee-Sono-System and was installed at…

Advertisement of Western Electric Sound System in The Cinema in the form of twelve questions that an exhibitor may ask himself before installing a sound reproduction equipment. The equipment was marketed by Western Electric Co. Ltd. in Bombay.