- The EMD FT series diesel locomotive that made the steam engine obsolete.
- EMD locomotive history.
- Woodward energy control history.
- 1947 WOODWARD LOCOMOTIVE GOVERNOR BULLETIN.
- 1976 Woodward locomotive governor bulletin.
- 1951 WOODWARD PG LOCOMOTIVE GOVERNOR BULLETIN, CIRCA 1951.
- MANUAL 01038 page 6
- MANUAL 01038 page 5
- MANUAL 01038 page 4
- MANUAL 01038 page 3
- MANUAL 01038 page 2
- MANUAL 01038
- Elmer E. Woodward's first diesel engine governor designed and developed from a hydraulic water wheel governor
- Description of the Woodward diesel engine governor.
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