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- PAGE 4. TYPES OF STEAM TURBINE BLADES.
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- James Leffel's tombstone.
- James Leffel's tombstone.
- James Leffel's tombstone showing his patented turbine water wheel.
- A Wisconsin brewery history project, circa 1895.
- A Wisconsin brewery history project.
- A Wisconsin brewery history project along the way.
- Brad's vintage machine shop manufacturing history project.
- SERVICE
- AMERICAN BOSCH COMPANY
- AMERICAN BOSCH
- Patent number 2,931,177. Page 4.
- Patent number 2,931,177. Page 3.
- Patent number 2,931,177. Page 2.