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US1173570A
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Electrolytic measuring instrument.
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GB191408118A
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Improvements in or connected with Electrolytic Meters.
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US1111898A
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Electrode for electrolytic measuring instruments.
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US1094440A
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Timing device.
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GB191206404A
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Improvements in Timing Devices for Making and Breaking Electric Circuits and for other purposes.
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GB191124141A
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Improvements in Electric Timing Devices.
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GB191117286A
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Improvements in Electric Switching Devices.
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US1094439A
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Means for measuring the rate of movement of a mechanism averaged over any predetermined period of time.
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GB191106227A
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Improvements in Glass Tubing to Facilitate the Flow of Liquids therein.
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GB191008450A
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A New or Improved Method of and Means for Measuring the Rate of Movement of a Mechanism Averaged Over any Predetermined Period of Time.
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US904532A
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Arc-lamp electrode.
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GB190727675A
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Improvements in Electromagnetically Operated Apparatus
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US876641A
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Voltameter.
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US1001589A
|
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Electrolytic cell.
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GB190717193A
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Improvements in and connected with Electrolytic Rectifiers
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GB190716053A
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Improvements in Arc Lamps
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GB190714713A
|
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Improvements relating to Arc Lamps
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GB190711541A
|
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Improvements in Means for Electrically Operating Apparatus
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GB190707926A
|
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Improvements in Electric Arc Lamps.
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US978022A
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Electrical resistance, contact, and the like.
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