US702392A
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Circuit and cut-out for electric-arc lamps.
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US684169A
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Regulating device for arc-lamp circuits.
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CA73134A
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Arc lamp
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US678344A
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Method of operating electric-arc lamps.
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US678343A
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Gas-check for inclosed-arc lamps.
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US676377A
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Elastic support for arc-lamps.
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US677873A
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Electric-arc lamp.
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US668905A
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Automatic circuit-closer for arc-lamp circuits.
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US684341A
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Regulating device for arc-lamp circuits.
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US684168A
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Regulating device for arc-lamp circuits.
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US684340A
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Regulating device for arc-lamp circuits.
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US684167A
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Regulating device for arc-lamp circuits.
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US669056A
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Inclosed-arc lamp.
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US669057A
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Electric-arc lamp.
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US684342A
|
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Regulating device for arc-lamp circuits.
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US684166A
|
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Regulating device for arc-lamp circuits.
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US669055A
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|
Electric-arc lamp.
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US684165A
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Method of regulating electric circuits.
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US668868A
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Alternating-current series arc-lamp.
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US630905A
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Electric-arc lamp.
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