DK36329C
(en )
1926-08-02
Method for Manufacturing Daylight Developers for Photographic Plates.
CH113393A
(en )
1926-01-02
Photographic lens.
SU8428A1
(en )
1929-03-30
Film projector shutter
DK37595C
(en )
1927-06-13
Method for Manufacturing Filling Plates.
DK38789C
(en )
1928-05-21
Procedure for Making Cinematographic Color Films.
DK35050C
(en )
1925-09-21
Photographic Sensitizer.
DK41113C
(en )
1929-11-18
Film for Color Photography.
DK42721C
(en )
1930-08-11
Method for Making Photographed Printed Formats.
DK36842C
(en )
1926-11-29
Device for Manufacturing Mutoscope Block Images.
DK43024C
(en )
1930-09-22
Method for Manufacturing Photosensitive Obstacles.
AT110347B
(en )
1928-08-10
Lens shutter.
DK37625C
(en )
1927-06-27
Method for Manufacturing a Fiber-Clad Core.
DK35651C
(en )
1926-02-22
Film Production Procedure.
DK32214C
(en )
1923-09-03
Method for Manufacturing Recording Plates for Indirect Three-Color Photography.
DK44953C
(en )
1931-12-07
Method for Manufacturing Mica Plates.
DK42838C
(en )
1930-08-25
Procedure for Making Tone Films.
DK37069C
(en )
1927-01-31
Procedure for Manufacturing Piles.
DK39461C
(en )
1928-11-12
Method for Manufacturing Diaphragms for Surface Combustion.
DK35852C
(en )
1926-04-06
Photographic Camera for Aerial Photography.
DK36785C
(en )
1926-11-15
Embossing Block for Creating Embossed Frames Around Photographers.
DK34028C
(en )
1925-01-12
Procedure for Making Emulsion Gelatin.
DK42680C
(en )
1930-07-28
Developing device for light-sensitive strips.
DK41599C
(en )
1930-02-10
Method of Automatic Film Processing.
FR609040A
(en )
1926-08-06
Advanced degradator for photographic shots
ES90647A1
(en )
1924-11-01
A photographic reproduction apparatus.