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GB113895A
|
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Improvements in and connected with Spools or Reels for Cinematograph Films.
|
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GB191207707A
|
|
Improvements in Feeding Mechanism for Cinematograph Projectors.
|
|
GB191103629A
|
|
An Improved Film Guide for Cinematograph Projectors and like Machines.
|
|
GB191009898A
|
|
Improvements in Cinematograph Projectors, Cameras, and the like Machines.
|
|
GB191005642A
|
|
An Improved Form of Scene Raising Gear.
|
|
GB190922081A
|
|
An Improved Form of Electrically Operated Scenery Raising Gear.
|
|
GB190904534A
|
|
Improvements in Feeding Mechanisms for Cinematograph Cameras, Printers and Perforators.
|
|
GB190803798A
|
|
Improvements in Cinematograph Cameras
|
|
GB190724525A
|
|
Improvements in Automatic Shutters for Cinematograph Projectors.
|
|
GB190714058A
|
|
Improvements in Cinematograph Projectors, Cameras and like Machines.
|
|
US885068A
|
|
Apparatus for forming screw-threads.
|
|
GB190700456A
|
|
Improvements in Apparatus for Forming Screw Threads.
|
|
GB190505232A
|
|
Improvements in Electric Current Circuit Breakers.
|
|
GB190503616A
|
|
Improvements in Fuses for Electric Current Circuits
|
|
GB190422647A
|
|
Improvements in Electrical Resistances.
|
|
US759904A
|
|
Regulating apparatus for theatrical electric lighting.
|
|
GB190311761A
|
|
Improvements in Regulating Apparatus for Electrical Circuits.
|
|
GB190126358A
|
|
Improvements in or relating to Circuit Breakers, for Electric Current Circuits.
|
|
GB190109745A
|
|
An Improvement in or relating to Electric Current Circuit Breakers.
|
|
GB190013820A
|
|
Improvements in or relating to Starting Switches and Automatic Controllers of Electro Motors.
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