Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,770 pages of information and 211,899 images on early companies, their products and the people who designed and built them.
Percival Leigh Collinson
Certified Colliery Manager. Professor of Mining and Fuels, University College, Nottingham.
In charge of the rescue work at the reopening of Gresford Colliery. Signal's Officer, R.E. during the war.
Special technical interests: Dusts in mines, ventilation, self-contained breathing apparatus and rescue work.