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Expired
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James Mclaughlin
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Individual
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Individual
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Publication of GB190323647ApublicationCriticalpatent/GB190323647A/en
23,647. McLaughlin, J. Oct. 31. Globes and holders therefor.-The single and medium-sized globe of an enclosed arc lamp is secured to the plate 18 by screws 38 in the manner shown in Fig. 1, and an outwardly opening valve 41 prevents any excess of pressure.
GB190323647D1903-10-311903-10-31Improvements in and relating to Electric Arc Lamps
ExpiredGB190323647A
(en)