National Association of Stationary Engineers (U.S.)
Lantern slide lecture of boilers and superheaters
Lantern slide lecture of Corliss valve gears
Lantern slide lecture of furnaces, grates and mechanical stokers
Lantern slide lecture of pumps and pumping machinery
Lantern slide lecture of refrigeration
Lantern slide lecture of steam turbines
Lantern slide lecture on the diesel engine
Questions and answers