Aperçu gratuit du livre Stephenson's Illustrated Practical Test, Examination and Ready Reference Book for Stationary, Locomotive and Marine Engineers, Firemen, Electricians and Machinists to Procure Steam Engineer's License Also Working Chart for Setting out the Forms of Gear...
Stephenson's Illustrated Practical Test, Examination and Ready Reference Book for Stationary, Locomotive and Marine Engineers, Firemen, Electricians and Machinists to Procure Steam Engineer's License Also Working Chart for Setting out the Forms of Gear...