Letter to William Payman, regarding a paper 'Explosion waves and shock waves VI. The disturbance produced by bursting diaphragms with compressed air' by William Payman and Wilfred Charles Furness Shepherd Sectional Committee: Physics The paper, once regarded as confidential, is soon to be published in the Proceedings. If he requires author's copies, please correspond directly with Cambridge University Press. [Published in the 'Proceedings of the Royal Society of London'] No received date. 3 July 1946