- 9
- 8
- 7
- 6
- Made in Rockford, Illinois.
- Brad's vintage machine shop manufacturing history project.
- The Business Outlook for 1924.
- American Machinist, February 1924. Contents.
- Drilling Motor Parts on the Rotating Table. 3.
- Drilling Motor Parts on the Rotating Table. 2.
- Drilling Motor Parts on the Rotating Table.
- American Machinist, February 1924.