ex plan (unopened, between pp 228-29) illustrating John Wales,
On the Lundhill Accident and on the Ventilation of Coal Mines Generally, in Transactions, North of England Institute of Mining Engineers, vol. 6 (1857-8).
Google Books image here
Much of this volume of the Transactions is devoted to understanding the causes of — and devising remedies to — the Lundhill Colliery Disaster at Wombwell, Yorkshire, 19 February 1857. In that explosion, 189 men and boys lost their lives, leaving 90 widows and 220 orphans.
14 October 2012
tags: curves; downcasts; mining; upcasts; ventillation;