- A Woodward field service governor picture from the 1930's.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE AD FROM 1922.
- POWER MAGAZINE AD FROM 1922.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE AD FROM 1922.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE FROM 1922.
- POWER MAGAZINE FROM 1922.