Copy of Extrait de la revue Industrie Chimique Belge Science

Also titled Ontleend aan het tijdschrift Belgische Chemische Industrie Wentenschap, the magazine of the Belgian Chemical Industrial Society, it contains a paper entitled 'The Basic Design of High Pressure Vessels and Plant and Some Considerations of the Ultimate Strength of Thick-Walled Cylinders of High Tensile Material' by W.R.D. Manning with an introduction in French and Dutch.