- A machine shop manufacturing advertisement from 1923.
- Vintage machine shop manufacturing history project.
- 24
- Vintage machine shop manufacturing history project.
- 23
- A machine shop manufacturing advertisement from 1923.
- BARNS DRILL COMPANY.
- A machine shop manufacturing advertisement from 1923.
- INGERSOLL MIILLING MACHINE COMPANY HISTORY.
- 10
- Vintage machine shop manufacturing history project.
- 9
- Vintage machine shop manufacturing history project.
- 6
- A machine shop manufacturing advertisement from 1923.