- What does a herringbone gear look like?
- INGERSOLL AD.
- INGERSOLL ADVERTISEMENT. 3
- INGERSOLL ADVERTISEMENT.
- DIESEL-ELECTRIC LOCOMOTIVE APPLICATION AND MANUFACTURING HISTORY.
- INGERSOLL MIILLING MACHINE COMPANY HISTORY.
- INGERSOLL MILLING AND MANUFACTURING COMPANY HISTORY.
- Vintage machine shop manufacturing history project.
- INGERSOLL MIILLING MACHINE COMPANY HISTORY.
- Another vintage Woodward hydraulic governor added to the collection.
- Vintage machine shop manufacturing history project.
- Vintage machine shop manufacturing history project.
- Vintage machine shop manufacturing history project.
- Vintage machine shop manufacturing history project.
- Vintage machine shop manufacturing history project.