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GB121526A
|
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Improvements in Roll Film Cameras.
|
|
GB122855A
|
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Improvements in Kinematograph Apparatus and in Intermittent Feed Mechanism therefor.
|
|
GB122856A
|
|
Improvements in Kinematograph Apparatus and in Intermittent Feed Mechanism therefor.
|
|
US1248587A
|
|
Cinematograph apparatus.
|
|
GB191514722A
|
|
Improvements in or relating to Optical Projection Apparatus Particularly for Producing Cinematographic Effects in Colour.
|
|
GB191513042A
|
|
Compound Cross-reflecting and Transmitting Prism-block, and the Use thereof in Cameras and like Optical Devices.
|
|
GB191507657A
|
|
Improvements in or relating to Colour Cinematography.
|
|
GB191507660A
|
|
Improvements in or relating to Colour Cinematography.
|
|
GB100717A
|
|
Improvements in or relating to Colour Cinematography.
|
|
GB191507658A
|
|
Improvements in or relating to Cinematograph Apparatus.
|
|
GB191507659A
|
|
Improvements in or relating to Colour Cinematography.
|
|
GB191309610A
|
|
Improvements in Kinematography in Natural Colours.
|
|
GB189726502A
|
|
Improvements in Tube Expanders.
|
|
GB189725164A
|
|
Improvements in Water-tube Steam Boilers.
|
|
GB189702714A
|
|
Improvements in Water-tube and other Steam Boilers.
|
|
CA232928A
|
|
Projection lamp
|
|
CA231844A
|
|
Electric incandescent lamp
|
|
CA198543A
|
|
Colour cinematography
|
|
CA232396A
|
|
Holder for electric incandescent lamps
|
