THREE FAMOUS EARLY AERO ENGINES — MEYER 369 



GRAPHICS FOR THE CLEMENT ENGINE 



The following 8- X 10-in. black-and-white photographs are available from 

 the National Air Museum of the Smithsonian Institution. 



Negative No. Description 



*46,816-B Rear view of Clement engine as exhibited in the Air and Space 



Building of the National Air Museum, showing cylinders, 

 valve mechanisms, flywheel, clutch, and blower. 



*46,816-A Left side view of Clement engine as exhibited in the Air 



and Space Building of the National Air Museum, showing 

 left cylinder and its valve mechanism, spark timing system, 

 flywheel, clutch, and blower. 



*46,816 Right side view of Clement engine as exhibited in the Air 



and Space Building of the National Air Museum, showing 

 right cylinder and its valve mechanism, spark timing system, 

 carburetor, clutch, and flywheel. 



30,556 Front left view showing valve mechanism and spark advance. 



GRAPHICS FOR THE MANLY-BALZER ENGINE 



The following are photographs available from the Smithsonian Institution : 



♦30,592-A Manly-Balzer engine. Left side view as exhibited in the Air 



and Space Building of the National Air Museum showing 

 cylinders, exhaust ports, push rods, cooling water manifold, 

 fuel/air intake manifold, and flywheels. 



*30,592 Manly-Balzer engine. Right side view as exhibited in the 



Air and Space Building of the National Air Museum showing 

 cylinders, flywheels, and ignition timing mechanism. 



18,081 Carburetor. 



The following are photographs of drawings : 



19,874-A Same view as Negative No. 30,592-A, but in addition shows 



starting crank. 

 19,874-D Plan view showing cylinders, flywheels, starting crank, spark 



plugs, fuel/air and water manifolds, and ignition timing 



mechanism. 



19,874r-B Plan and front views of ignition timing mechanism. 



*19,874-C Manly-Balzer engine. Cross section of a cylinder showing 



spark plug, automatic intake, and push-rod-operated exhaust 



valves and their mechanisms, fuel/air intake and water 



manifolds, water jackets, piston, connecting rods, and 



crankshaft. 



GRAPHICS FOR THE WRIGHT BROTHERS* ENGINE 



The following are photographs available from the Smithsonian Institution: 



*41,898-A Left front view. It shows the combustion chambers, auto- 

 matic intake valve mechanism, exhaust valve rocker arms, 

 external electrical connections for make-and-break ignition 

 system, spark retard lever, water outlets, fuel line and open- 

 ended tin can within which fuel and air were mixed, oil 

 line, chain connecting crankshaft and camshaft with its 

 sprockets and boxwood idler, and a part of the flywheel. 



