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Persons keyword: Cumming H W

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'The Gas Arc - a New Source of Light for Photography' by H W Cumming

UK0108 SC MSS 135/B/049

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'Rare Gas Lamps - The Gas Arc' by H W Cumming

UK0108 SC MSS 135/B/054

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'Rare Gas Discharge Lamps' by J N Aldington and H W Cumming

UK0108 SC MSS 135/B/060

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'Germanium and its uses' by J N Aldington and H W Cumming

UK0108 SC MSS 135/B/072

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'Xenon Arc Discharge Lamps and Cinematograph Projection' by H W Cumming

UK0108 SC MSS 135/B/074

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'Xenon Arc Discharge Lamps for Film and TV industries' by H W L Cumming

UK0108 SC MSS 135/B/075

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'Light Sources - New Developments and Trends' by H W Cumming

UK0108 SC MSS 135/B/082

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'Gas-Arc Lamp Water Cooling Arrangements' Patent Application 29671/47 by H W Cumming

UK0108 SC MSS 135/C/01

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Improvements relating to circuit arrangements for electric discharge lamps' by H W Cumming Patent Application No. 20150/47

UK0108 SC MSS 135/C/09

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'Improvements relating to the electrode and current leading-in structures of electric lamps and kindred devices' by H W Cumming, Patent Application No. 32380/49

UK0108 SC MSS 135/C/13

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'Improvements relating to circuit arrangements for electric discharge lamps' by H W Cumming Patent Application No. 32381/49

UK0108 SC MSS 135/C/14

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'Improvements relating to Electric Discharge lamps' by H W Cumming Patent Application No. 5154/48

UK0108 SC MSS 135/C/16

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