IE14263L
(en )
1937-01-13
Photographic development in colour
GB469197A
(en )
1937-07-21
Improvements in loudspeakers
AU101676B2
(en )
1937-08-05
Improvements in photographic developers
IE14649L
(en )
1937-04-03
Colour photography
AU298036A
(en )
1937-08-05
Improvements in photographic developers
IE14618L
(en )
1937-07-18
Filter-layers for colour photography
AU2543335A
(en )
1936-09-10
Improvement in photographic screening dyes
AU102880B2
(en )
1938-01-13
Improvement in colour photography
AU105775B2
(en )
1938-11-24
Improvement in photographic emulsion
CA362816A
(en )
1936-12-22
Photographic screening dye
CA356594A
(en )
1936-03-17
Colour photography
CA357617A
(en )
1936-05-05
Colour photography
CA357742A
(en )
1936-05-12
Colour photography
CA357944A
(en )
1936-05-19
Colour photography
CA358213A
(en )
1936-06-02
Colour photography
AU100302B2
(en )
1937-02-25
Improvements in or relating to photographic developers
IE14378L
(en )
1937-02-17
Coloured photographic pictures
AU100274B2
(en )
1937-02-25
Improvement in image projector
CA359542A
(en )
1936-08-04
Multi-colour photographic material
AU105363B2
(en )
1938-10-20
Improvements in or relating to colour photography
IE14270L
(en )
1937-01-23
Photographic developers
CA355715A
(en )
1936-02-04
Colour photographic material
AU100905B2
(en )
1937-05-13
Improvements in projecting oscillights
AU155337A
(en )
1938-01-13
Improvement in colour photography
AU550637A
(en )
1938-11-24
Improvement in photographic emulsion