AT158021B
(en )
1940-02-26
Device for the automatic control of the exposure in photographic apparatus, cinema recording apparatus, etc. like
AT144726B
(en )
1936-02-25
Device for rotating the bellows in photographic recording and projection apparatus.
SU29350A1
(en )
1933-02-28
The obturator for film projectors
FR801534A
(en )
1936-08-06
Film development apparatus
FR798121A
(en )
1936-05-09
Apparatus for preparing yogurt and the like
FR832596A
(en )
1938-09-29
Apparatus for projecting images, in particular cinematographic images
AT134399B
(en )
1933-07-25
Device for the photographic recording of vibrations.
FR797495A
(en )
1936-04-27
Self-adjusting vibrating device
FR780858A
(en )
1935-05-04
Automatic film camera, and film strip intended for it
ES138487A1
(en )
1935-09-01
Apparatus for the photographic recording of sounds.
CA348417A
(en )
1935-02-26
Indicating and recording device
FR795467A
(en )
1936-03-14
Film drive device
ES132303A1
(en )
1934-01-01
Apparatus for the projection of advertising images and others.
DK51598C
(en )
1936-05-04
Cinematographic apparatus.
ES140770A1
(en )
1936-03-01
Projector device.
ES134143A1
(en )
1934-06-01
An apparatus for the projection of advertising images and the like.
DK50102C
(en )
1935-04-08
Apparatus for Use in Photographic Measurement.
FR755545A
(en )
1933-11-25
Device for projecting images on films
AT140727B
(en )
1935-02-25
Photographic recording and projection apparatus for lenticular film.
CA354543A
(en )
1935-12-03
Goffered film duplicating apparatus
FR795146A
(en )
1936-03-04
Cinematographic device change mechanism
ES137609A1
(en )
1935-08-01
An apparatus for disinsection and disinfection.
CA351565A
(en )
1935-07-09
Sound on film recording apparatus
DK48815C
(en )
1934-05-28
Photographic Apparatus.
ES128471A1
(en )
1932-12-16
Improvements in the projection image tapes.