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Creation date / 2017 / Week 32
- JAMES LEFFEL LETTERHEAD, CIRCA 1944.
- Woodward Governor Company's shop order #1845, circa 1909.
- A Lombard Oil Pressure Water Wheel Governor blueprint circa 1938.
- Another example of a blueprint of a mechanical water wheel governor Size D series 3, circa 1926.
- BLUEPRINT OF WYANDOTTE WORSTED COMPANY ROCHESTER, N.H.
- HOW TO DRAW A WATER WHEEL GOVERNOR CONTRAPTION.
- READING SHOP BLUEPRINT HISTORY.
- Great Grandpa's study books are fun. History in the making!
- BLUEPRINT ON TRACING PAPER FROM 1918.
- Great Grandpa's history of the HOLY BIBLE, OLD AND NEW TESTAMENTS, circa 1897.
- Bradford Electric's great grandpa's family history picture, circa 1934.
- How does a steam turbine governor work?
- What is a AC MOTOR?
- STEAM ENGINES AND VALVE SETTING HISTORY.
- Coming soon several more vintage Intertational Textbook Company TECH history books.