- A-2417
- Item
- Dec. 1919
Returned men working on the timing ignitions and setting valves on tractors in the Tractor Laboratory
Returned men working on the timing ignitions and setting valves on tractors in the Tractor Laboratory
Students gathered around instructor among large machinery.
People gathered around a tractor in a field with a row of coniferous trees in the background. Annotation on the back of the photograph describes the setting as an Illustration Station at a field day.