The Principles And Practice Of Colliery Ventilation - Being A Treatise On The Laws Governing The Motion Of Air In Mines, And In Explanation Of The Fur (Paperback)
The Principles and Practice of Colliery Ventilation (Paperback) - Being a Treatise on the Laws Governing the Motion of Air in Mines, and an Explanation of the Furnace and Vacuum Fan Systems of Ventilation
The Principles and Practice of Colliery Ventilation: Being a Treatise on the Laws Governing the Motion of Air in Mines, and an Explanation of the Furn (Hardcover)