- MATTISON MACHINE WORKS.
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- ROCKFORD... CENTER OF MACHINE-TOOL EXCELLENCE.
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- THE INGERSOLL MILLING MACHINE COMPANY.
- SUNDSTRAND machine Tool Company.
- SUNDSTRAND 1955
- Machinery magazine advertisements for 1955.
- Machinery magazine advertisements for 1955.
- Some PINION GEAR.
- A vintage machine shop manufacturing history project.
- A vintage machine shop manufacturing history project.