- Woodward PM type engine governor application.
- Woodward PM type engine governor application history.
- 2 page
- The Water Power Situation in Wisconsin.
- JAMES LEFFEL & COMPANY CATALOGUE, CIRCA 1897.
- The James Leffel & Company's factory history.
- A Woodward governor connected to a Victor turbine.
- Elmer Woodward's vertical compensating type governor connected to a Victor turbine.
- 475
- A schematic drawing of a Woodward compensating type water wheel governor.
- THE WATER WHEEL GOVERNOR
- X
- ix
- vii
- PREFACE TO THE FIRST EDITION.