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John Owen Girdlestone
Carl Frederik Grimur Thorkelin
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Vessels And Coating Films For Discharge Lamps
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Abstract
15,857. Girdlestone, J. O., and Thorkelin, C. F. G. July 10. Reflectors.-In a multiple-electrode arc lamp, a refractory reflector R is provided with a partition S<2>, S<3> between adjacent pairs of electrodes. The partition may be single or double, as shown ; in the latter case it may be ventilated by openings through the reflector.
GB190715857D1907-07-101907-07-10Improvements in and relating to Electric Arc Lamps.
ExpiredGB190715857A
(en)