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- Drawing. "Magneto Drive Gear." Rellimah, Los Angeles, California, November 6, 1930 - This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.

- November 06, 1930
- Collections - Artifact
Drawing. "Magneto Drive Gear." Rellimah, Los Angeles, California, November 6, 1930
This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.
- Drawing, "Supercharger Idler Gear," Keck V-8 Engine, September 15, 1955 - This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.

- September 15, 1955
- Collections - Artifact
Drawing, "Supercharger Idler Gear," Keck V-8 Engine, September 15, 1955
This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.
- Drawing. "Cylinder Head-230 cu. inch." Rellimah, Los Angeles, California, October 25, 1930 - This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.

- October 25, 1930
- Collections - Artifact
Drawing. "Cylinder Head-230 cu. inch." Rellimah, Los Angeles, California, October 25, 1930
This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.
- Drawing, "Timing Gear Train," Offenhauser Engineering Co., Los Angeles, California, December 23, 1940 - This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.

- December 23, 1940
- Collections - Artifact
Drawing, "Timing Gear Train," Offenhauser Engineering Co., Los Angeles, California, December 23, 1940
This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.
- Drawing, "Supercharger Drive Gear," Keck V-8 Engine, October 11, 1955 - This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.

- October 11, 1955
- Collections - Artifact
Drawing, "Supercharger Drive Gear," Keck V-8 Engine, October 11, 1955
This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.
- Drawing, "Revised Layout Vibration Damper," Keck V-8 Engine, March 28, 1955 - This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.

- March 28, 1955
- Collections - Artifact
Drawing, "Revised Layout Vibration Damper," Keck V-8 Engine, March 28, 1955
This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.
- Drawing, "Crankshaft," Offenhauser Engineering Co., Los Angeles, California, September 4, 1940 - This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.

- September 04, 1940
- Collections - Artifact
Drawing, "Crankshaft," Offenhauser Engineering Co., Los Angeles, California, September 4, 1940
This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.
- Letter from Leo Goossen to the Prescott, Arizona Chamber of Commerce, January 1, 1919 - Leo Goossen relocated from Detroit to New Mexico for health reasons in 1919. It was a fortunate move. While west, he connected with race car designer Harry Miller in Los Angeles. The two became a formidable team, with Goossen's technical training complementing Miller's bold thinking. Goossen later partnered with Fred Offenhauser, another Miller associate, to design the successful Offenhauser racing engine.

- January 01, 1919
- Collections - Artifact
Letter from Leo Goossen to the Prescott, Arizona Chamber of Commerce, January 1, 1919
Leo Goossen relocated from Detroit to New Mexico for health reasons in 1919. It was a fortunate move. While west, he connected with race car designer Harry Miller in Los Angeles. The two became a formidable team, with Goossen's technical training complementing Miller's bold thinking. Goossen later partnered with Fred Offenhauser, another Miller associate, to design the successful Offenhauser racing engine.
- Drawing, "Supercharger Rotor," Keck V-8 Engine, July 7, 1955 - This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.

- July 07, 1955
- Collections - Artifact
Drawing, "Supercharger Rotor," Keck V-8 Engine, July 7, 1955
This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.
- Drawing. "Gear Train Housing-230 cu. in." Rellimah, Los Angeles, California, November 12, 1930 - This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.

- November 12, 1930
- Collections - Artifact
Drawing. "Gear Train Housing-230 cu. in." Rellimah, Los Angeles, California, November 12, 1930
This is one of countless technical drawings produced by Leo Goossen during his 55-year career. Goossen remains one of the most influential engine designers in American auto racing history. Goossen engines, built first with Harry Miller and then with Fred Offenhauser, dominated the Indianapolis 500 from the 1920s into the 1970s.