H D Pearsall

A HYDRAULIC PUMPING-ENGINE. (INCLUDES APPENDICES).

H D Pearsall, 1891 .

DISCUSSION. THE KESWICK WATER-POWER ELECTRIC-LIGHT STATION.

W. M. Mordey, W. H. Preece, B Atkinson, 1890 .

CORRESPONDENCE. ELECTRIC MINING-MACHINERY, WITH SPECIAL REFERENCE TO THE APPLICATION OF ELECTRICITY TO COAL-CUTTING, PUMPING, AND ROCK-DRILLING.

A Lupton, Sir J Coode, R E B Crompton, 1891 .

DISCUSSION. ELECTRIC MINING-MACHINERY, WITH SPECIAL REFERENCE TO THE APPLICATION OF ELECTRICITY TO COAL-CUTTING, PUMPING, AND ROCK-DRILLING.

A. P. Trotter, John A. Taylor, E Bainbridge, .

DISCUSSION ON ENGINEERING LABORATORIES.

H D Pearsall, G R Bodmer, W Stroudley, 1887 .

DISCUSSION. WIND-PRESSURE.

W C Unwin, J B Redman, J N Douglass, .