An envelope containing an invoice from the American Society of Mechanical Engineers, s copy of a letter from W.R.D. Manning to Rogers B. Finch Executive Director and Secretary of the American Society of Mechanical Engineers dated 8th December 1978 relating to the submission of a paper entitled 'Busting Pressure as the Basis for Cylinder Design', a letter from Roger B Finch to W.R.D. Manning enclosing a proof copy of Manning's paper, an uncorrected page proof of Manning's paper and a letter from the ASME dated 31st March 1978.