Improvements in Apparatus for Testing the Illuminating Power of Gas.

摘要

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.