Otto Engine - New York Museum of Science & Industry, Rockefeller Center

Front:
No. 24 OTTO ENGINE THE OTTO CYCLE USED IN AUTOMOBILE ENGINES BURNED GAS EXPELLED INTAKE VALVE EXHAUST VALSE New York Museum of Science & Industry Rockefeller Center, N. Y. COOLING WATER COOLING WATER

Back:
Otto Engine This exhibit explains the principle of in- ternal combustion engines and shows how your automobile engine works. This first successful gasoline engine was invented by Otto in 1876. Many more operating self- explanatory exhibits are to be seen in the Hall of Motion.