Referee's report by William George Penney, on a paper 'Gas flow in one dimension following a normal shock of variable strength' by C W Jones Sectional committee: Mathematics Paper reference code: A.189 Recommended for publication in the Proceedings. Suggests the author add a few remarks concerning earlier work on the problem by [John Hasbrouck] Van Vleck before publication. [Published in Proceedings A, 1954]. Date received not given. 15 September 1953