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Leopold Zechnall
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14,633. Zechnall, L. July 15. Incandescent gas lamps. - An . upright burner, which is practically free from downward shadow and is sufficiently compact to allow of its being used with an ordinary open-ended globe h, consists of a short mixing-tube c, completely unobstructed at its lower end, to which the gas is supplied by upwardly-directed openings a<1> in an annular tube a. The mixture of the air and gas is ensured either by a contraction d or by a transparent or opaque disk m having a central opening m<1>. Specification No. 238, A.D. 1897, is referred to.
GB190514633D1905-07-151905-07-15Improvements in Gas Burners.
ExpiredGB190514633A
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