- Amos Woodward's size 4 water wheel governor.
- Irl C. Martin's Prime Mover Control publication(started in 1910).
- Irl C. Martin at his new desk in the new Woodward facility in Loves Park, Illinois.
- A.W. Woodward patent model, patent number 103,813.
- Energy Control Systems At the Heart of the System Since 1870.
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