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Expired
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Harry Oswald Carr
Urban Orlando Scotchbur Nairne
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Individual
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Publication of GB191018199ApublicationCriticalpatent/GB191018199A/en
Investigating Or Analysing Materials By Optical Means
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Abstract
18,199. Carr, H. O., and Nairne, U. O. S. July 30. Jet photometers.-A condenser d and purifier i are combined with a jet photometer so that gas at any stage of its production can be tested. Gas can be passed directly into the photometer, if desired, without passing through the condenser &c., and means are provided for adjusting the photometer, which is enclosed in a casing a, for varying specific gravities of the gas under test.
GB191018199D1910-07-301910-07-30Improvements in Apparatus for Testing the Illuminating Power of Gas.
ExpiredGB191018199A
(en)