- Elmer Woodward's smallest governor for aircraft engines
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- The Woodward type 5U18 propeller governor on display for tech-Friday.
- Woodward prop governor type A-210921 MFG 1991 3
- An early Woodward aircraft engine governor.
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- Woodward prop governor type A-210921 MFG 1991
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- Another picture of a vintage Woodward governor.
- Woodward bulletin 33050.