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- MADE IN ROCKFORD, ILLINOIS, U.S.A.
- A vintage Rockford machine shop manufacturing history project.
- The Barber-Colman Company. Full page advertisement.
- The Barber-Colman Company.
- Sundstrand announces new Aviation Division.
- The Barber-Colman Company and it's products.
- The Barber-Colman Company and it's products.
- THE SUNDSTRAND AVIATION COMPANY.
- A vintage aircraft industry manufacturing company advertisement project.
- A vintage Rockford machine shop manufacturing history project.
- WOODWARD SPEED AND LOAD-SENSING GOVERNORS.