Prop. 9060, Paramount - Publix Corp. Preliminary Descriptive Specifications of RCA Victor Photophone Recording Equipment, Centralized Installation, Hollywood. Printed by RCA Victor Company, Inc. Camden N.J. Imprinted at top "18003-R, 10M 1-9-'33"--I would make this to be mid-1930's at least, though I suspect that the "1-9-'33" to be the date of publication. 11x8"; 8pp & ,4pp,, & 15 leaves of block diagrams and outline drawings of sections of the machine. Mimeographic production. Bound in RCA company wrappers, with three punch holes each gathered by a brass paper punch. Very nice copy. Scarce. $750
Part I: General Description of the RCA Vctor Photophone System; Individual units of Equipment (microphones, mike amplifiers, power control panels, microphone mixers, re-recording mixer, recording amplifier, bridging amplifier, noise reduction amplifier, film recorder, film phonograph, re-recording sound head); arrangement of standard units.
Part II: Scoring, Re-recording, and Stage Recording Channels Centralized System--Hollywood. Describes (for Hollywood locations): projection equipment; studio and control equipment; amplifier; Film Recording; Wax recording; Re-recording; and testing equipment; intercommunication equipment' power; and so on.