System of attaching tiles and uniting of photovoltaic modules
GB191405070A
Improvements in Interrupters for Electric Circuits.
GB191315950A
Improvements in and relating to Combined Voltage Regulators and Switches for Variable Speed Generators.
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Contact device for interrupters.
GB191306122A
Improvements in Interrupters for Electric Circuits.
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Device for the photographic registration of vibrations in line form.
GB191218057A
An Apparatus for Photographically Recording Oscillations in Line Form by Means of an Oscillating Point of Light and for Simultaneously Observing the Records.
GB191216782A
Improvements in and relating to Combined Voltage Regulators and Switches for Variable Speed Generators.
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Voltage-regulator.
CA153514A
Electrically heated clothing
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Electrically-heated garment.
GB191204851A
Improvements in Electrically Heated Clothes or Portions of Clothing.
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Apparatus for perforating paper strips.
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Apparatus for strengthening weak electrical currents
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Apparatus for strengthening weak electrical currents.
GB190719282A
Improvements in Apparatus for Strengthening Weak Current Impulses, Alternating Currents, and Variations in Current Strengths applicable to Telegraphy and Telephony
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Apparatus for perforating paper strips or the like.
GB190511903A
Improvements in Devices for Performing Paper-strips and the like specially applicable for use in connection with Automatic Telegraphic Apparatus.
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Apparatus for punching strips.
GB190217718A
Improved Apparatus for Perforating Paper Strips and the like, specially applicable for use in connection with Automatic Telegraphic Apparatus.
