- Amos Woodward's first patented governor (number 103,813) from 1870
- Woodward... At the Heart of the Energy Control System Since 1870.
- Woodward... At the Heart of the Energy Control System Since 1870.
- The N.C. Thompson's Reaper Works in the water power district in Rockford, Illinois.
- The N.C. Thompson's Reaper Works at 650-658 Race Street in the water power district in Rockford, Illinois.
- Amos Woodward was an obsessive tinkerer...