US3934081A
(en )
1976-01-20
Method and apparatus for improving photomechanical reproduction by contrast decrease
GB356701A
(https= )
US2870672A
(en )
1959-01-27
Travelling matte photography
US3475096A
(en )
1969-10-28
Method and apparatus for controlling the contrast of an image including a process for reversal of the image
US1953176A
(en )
1934-04-03
Apparatus for projecting lenticular screen films
US1687055A
(en )
1928-10-09
op rochester
US3355588A
(en )
1967-11-28
Projection of negatives as positives by employing a phototropic screen and an auxiliary visible light source
US1970936A
(en )
1934-08-21
Photography
SU411423A1
(https= )
1974-01-15
US3580151A
(en )
1971-05-25
Low light level color photography
US1982187A
(en )
1934-11-27
Apparatus for copying goffered films
US1976300A
(en )
1934-10-09
Means fob eeproducshg colox
US1935422A
(en )
1933-11-14
Apparatus for reproducing goffered films
SU158204A1
(https= )
US1915418A
(en )
1933-06-27
Process for printing copies prom a lenticular
US3519346A
(en )
1970-07-07
Method of producing photographic negatives and prints
US1997325A
(en )
1935-04-09
Method and apparatus fob dupli
Weil
1933
The optical-photographic principles of the Agfacolor Process
US1874529A
(en )
1932-08-30
Printing pictures of a lenticular film
US2047282A
(en )
1936-07-14
Apparatus for copy lenticular film
US2022768A
(en )
1935-12-03
Process of printing copies from
US2113476A
(en )
1938-04-05
Method op copying goffered
GB364559A
(https= )
US1810200A
(en )
1931-06-16
Printing machine for colored films
SU260405A1
(ru )
Способ изготовления печатных форм