Projectors for moving or still pictures
Projectors for reproducing 16 mm and 35 mm film shows, and a...
Prompting device for lecturers and television announcers
Proportional fill flash
Protective camera housing and optical system for use in...
Protective housing assembly for cameras
Protective terminal for multiple flash lamp unit
Protector for photographic cameras
Providing patterns
Provision of stereoscopic images
Pulse generating mechanism for a web-roll
Punched paper tape feed wheel mechanism