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1
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Electric lamps, Arc -- See Also the narrower term Electric arc
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1
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2
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Electric lamps, Arc : Chas. F. Brush et al. vs. C. Harrison Condit et al. : complainants' record
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1883
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1
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3
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Electric lamps, Arc -- Patents : Chas. F. Brush et al. vs. C. Harrison Condit et al. : complainants' record
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1883
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1
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