An Engine Without Cranks.

A Fuller Description of the Michell Engine with Its Novel Lubricating System. I N the history of engineering endeavour many otherwise clever efforts have failed by reason of......

A 20-mile Trial Line For The Stronach-dutton System.

I T is the practice of Sir William Hoy, general manager of the railways and harbours, Union of South Africa, to publ'sh a monthly " bulletin " in tile staff magazine issued by......