Interchangeable lens for movie camera
Interconnected frames for holding diapositives
Interferometric plate alignment
Interlock for camera focusing and flash exposure
Interlock for roll holding cameras of extrusion loading type
Interlock system for darkrooms and film storage bins
Intermediate film identifier marking
Intermittent film contact pressure apparatus for...
Intra-oral radiographic film holder
Intraoral dental radiology positioning device
Intrauterine device
Inward-looking imaging system
Ironer machinery
Isolating member for use in contact printing