Llewellyn V Ludy

Llewellyn V Ludy is the author of "Air Brakes", "Steam Engines; a Thorough and Practical Presentation of Modern Steam Engine Practice", "Locomotive Boilers and Engines" and "Steam Engine Indicators and Valve Gears".

Books by Llewellyn V Ludy

Locomotive Boiler...
Ludy, Llewellyn V.
Paperback: $13.95

Steam Engines, a ...
Society, American T...
Paperback: $26.75

The Air-Brake
Ludy, Llewellyn V.
Paperback: $44.95

Steam Engine Indi...
Ludy, Llewellyn V.
Hardback: $28.33