- PELTON WATER WHEEL COMPANY HISTORY.
- Aviation Week ad showing General Electric's J79 jet engine.
- TYLER'S IMPROVED WATER WHEEL TURBINE, CIRCA 1864.
- PELTON WATER WHEEL COMPANY HISTORY.
- Woodward legacy jet engine fuel controls.
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- THE JAMES LEFFEL & COMPANY PAMPHLET K.
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- My great great grandpa's funeral bill from 1898.
- PAGE 2.