- CLOSING THE LOOP MARCH 1991.
- Page 7.
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- A Hamilton Standard Company History Project.
- HYDROMATIC PROPELLERS EQUIPPED EXCLUSIVELY WITH WOODWARD GOVERNORS.
- A Hamilton Standard Company machine shop manufacturing history project.
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- A Woodward CSSA 210085 series propeller governor.
- Brad's latest vintage Woodward 210085 series aircraft engine governor.
- Brad's Woodward 210085 series CSSA propeller governor.
- Brad's Woodward 210085 series CSSA propeller governor.
- A Woodward CSSA propeller governor. Serial number 384424, circa 1960's.