Combined coin or token-controlled automatic audio-visual reproduction apparatus
DE1597407A1
Sound-image playback device operated by coins or coin marks
GB1193701A
Motion Picture Projection Apparatus
GB1158267A
Improvements in the System for Controlling the Take-up Reel in Cinematographic Apparatus.
GB1151759A
Scanning or Reading Device for the Optical Sound Track of a Film.
ES307523A1
Device or control mechanism for cinematographic projection appliances activated by means of a currency or currency. (Machine-translation by Google Translate, not legally binding)
GB1037475A
Cinematographic projector
GB1049495A
Optical projection apparatus
ES296768A1
Combined film and slide projector
DE1211937B
Combined projector for alternating presentation of films and slides on a common screen
ES295509A1
Motion picture projectors
ES293965A1
Improvements in the structure of cinematographic films in relation to their sonora band (Machine-translation by Google Translate, not legally binding)
CA828469A
System for controlling the take-up reel in cinematographic apparatus
CA704120A
Pickup device for optical sound track of a film for juke boxes
CA769418A
Automatic audio and audio-visual projection apparatus
CA824914A
Pellicule cinematographique
CA774678A
Scanning or reading device for the optical sound track of a film
