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GB517338A
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Improvements in or relating to the production of prints from lenticular films
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GB513839A
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Improvements in or relating to colouring processes
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US2158886A
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Cooling means for mirrors used with arc lamps
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US2189298A
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Optical system
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GB484247A
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Improvements in or relating to cinematograph projection screens
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GB480487A
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Improvements in optical devices for mixing light
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US2189297A
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Diaphragm for preventing dominants on colored pictures
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GB470959A
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Improvements in and relating to optical objectives for use with lenticular colour films
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GB490468A
|
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Improvements relating to the projection of lenticular colour films
|
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DE689886C
|
|
Process for making lenticular lenticular films
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GB478033A
|
|
Improvements in or relating to the projection of backgrounds in film photography
|
|
GB480546A
|
|
An improved method for checking and selecting the colour values of objects to be photographed in the production of colour films
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DE689885C
|
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Process for changing the gradation of lenticular color films
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GB485158A
|
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Improvements in and relating to arc lamps
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GB485093A
|
|
Improvements in and relating to arc lamps
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GB480123A
|
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Improvements in and relating to photographic apparatus for making photographs on lenticular films
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GB463381A
|
|
Improvements in and relating to arc lamps
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GB465452A
|
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Improvements in and relating to arc lamps
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DE680306C
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Device for the projection of lenticular films
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DE685192C
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Air-cooled mirror for arc lamps
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