Diagrams, pressure and velocity curves by Andrew Noble Three diagrams labelled 'Velocity curves from chronoscope experiments with 11 calibre 6in gun', 'Pressure curves from chronoscope experiments with 100 calibre 6in gun' and '23lbs of R L G 2 in 6 inch gun of 100 calibres. Pressure & velocity curves for 3 successive rounds, the bore being clean for round I. From chronoscope experiment' respectively. The diagrams are labelled I-III in pencil. Subject: Chemistry These diagrams were published in volume 56 of the Proceedings of the Royal Society alongside the paper 'Researches on explosives. preliminary note'. 1894