|
US1916919A
|
|
Automatic synchronizing mechanism for film printing machines
|
|
US1889306A
|
|
Light control for photographic printing machines
|
|
US1714203A
|
|
Photographic-printing apparatus
|
|
US1877440A
|
|
Double film winding reel
|
|
US1667501A
|
|
Film reel
|
|
US1667536A
|
|
Means for preventing premature uncoiling of film bobbins
|
|
US1714461A
|
|
Automatic loop-forming device
|
|
US1686650A
|
|
Film holder
|
|
US1574591A
|
|
Multiple-film-guide mounting
|
|
US1627976A
|
|
Method of producing composite moving-picture films
|
|
US1473542A
|
|
Film-drying apparatus
|
|
GB204116A
|
|
Improvements in film printing machines
|
|
GB204117A
|
|
Improvements in film printing apparatus
|
|
GB203367A
|
|
Improvements in or relating to the manufacture of photographic films
|
|
US1457209A
|
|
Method and apparatus for producing distorted images
|
|
US1425450A
|
|
Film-printing machine
|
|
US1425405A
|
|
Automatic electric film cutter
|
|
US1422665A
|
|
Film-testing machine
|
