- The Woodward Governor Company on Mill Street in Rockford(1910-1941).
- Woodward Governor Catalogue M showing the new factory on Mill Street.
- WOODWARD'S NEW TYPE OF OIL PRESSURE WATER WHEEL GOVERNOR GATESHAFT TYPE CIRCA 1917-xx
- 1912 application of Elmer Woodward's new hydraulic water wheel governor.
- WGC 24
- Elmer E. Woodward's new hydraulic water wheel governor was manufactured in this factory until 1940..
- WGC 23
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