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DK5220C
(en)
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Method for Manufacturing Arc Lamp Carbide Electrodes with High Conductivity.
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DK5219C
(en)
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Method of Manufacturing Arc Lamp Carbide Electrodes.
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DK3693C
(en)
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Method for Manufacturing Electrically Conductive Lighting Fixtures.
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CH24047A
(en)
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High conductivity arc lamp carbide electrode
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AT22181B
(en)
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Arc lamp charcoal.
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DK6006C
(en)
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Device for Adjusting Arc Lamps.
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DK4562C
(en)
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Electric Arc Lamp.
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CH31668A
(en)
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Arc lamp electrode
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CH24046A
(en)
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Arc lamp carbide electrode
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CH31244A
(en)
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Electrode for arc lamps
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DK2223C
(en)
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Device for Relocating the Coal by Electric Arc Lamps.
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CH32364A
(en)
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Arc lamp with convergent electrodes pointing downwards
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DK4717C
(en)
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Method for Forming an Electric Arc Light.
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DK10095C
(en)
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Electrode device for DC arc lamps with side-by-side electrodes.
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DK5353C
(en)
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Arc lamp with Charcoal pouring towards each other.
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ES29037A1
(en)
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A chemical process for manufacturing high conductivity carbide electrodes for arc lamps.
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DK3727C
(en)
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Procedure for the manufacture of filaments for electric lamps.
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ES31649A1
(en)
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A chemical process for manufacturing highly conductive carbide electrodes for arc lamps.
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DK4843C
(en)
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Holder for Incandescent lamps.
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DK4326C
(en)
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Lighthouse with heating chamber.
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AT23514B
(en)
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Arc lamp.
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AT23210B
(en)
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Arc lamp.
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ES30441A1
(en)
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A chemical process for manufacturing highly conductive carbide electrodes for arc lamps.
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DK4780C
(en)
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Device for the manufacture of clean arc lights between fixed conductors.
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DK4792C
(en)
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Ignition device for electric arc lamps with slag-forming ball electrodes.
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