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- 6
- The Foote Burt Drilling Machine Company
- 8
- Marine diesel handbook
- INGERSOLL MIILLING MACHINE COMPANY HISTORY.
- CATERPILLAR TRACTORS, CIRCA 1922.
- Woodward Governor Company's type IC diesel engine governor.
- Diesel engine progress.
- Elmer Woodward's first diesel engine governor system.
- Prime Mover Controls.
- Diesel engine progress.