- PATENT NUMBER 680,745
- PATENT NUMBER 680,745
- PATENT NUMBER 680,745
- PATENT NUMBER 680,745
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- img178
- CIRCA 1908.
- POWER AND THE ENGINEER, CIRCA 1908.
- POWER AND THE ENGINEER, CIRCA 1908. PAGE 1.
- WOODWARD FRICTION WATER WHEEL GOVERNOR FROM PATENT NUMBER 103,813.
- A WOODWARD FRICTION WATER WHEEL GOVERNOR THEORY OF OPERATION ARTICLE, CIRCA 1903.
- AMERICAN ELECTRICIAN ARTICLE FROM 1903. WE LOVE HISTORY!
- SCIENCE ABSTRACTS, CIRCA 1908.
- SCIENCE ABSTRACTS, CIRCA 1908.
- WATER WHEEL GOVERNOR HISTORY.