Compression‐Ignition Engines: The History and Development of Heavy‐Oil Engines with a Section on Future Progress Available to Purchase

I.—Historical IN this first lecture upon the origin and development of the heavy‐oil aero‐engine, to be delivered under the Akroyd‐Stuart foundation, it is appropriate to devote some space to the early history of oil engines generally, for it is certain that the aero‐engine of the future will claim a direct descent from some parent. The early history, moreover, of the heavy‐oil engine is of quite exceptional interest, both technical and personal.