- 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.
- Coming soon several more vintage Intertational Textbook Company TECH history books.
- What is a AC MOTOR?
- Another example of a blueprint of a mechanical water wheel governor Size D series 3, circa 1926.
- Woodward Governor Company Shop Order 3155, SN # 5719, circa 1926.
- HOW TO DRAW A WATER WHEEL GOVERNOR CONTRAPTION.
- BLUEPRINT OF WYANDOTTE WORSTED COMPANY ROCHESTER, N.H.
- ELEMENTS OF BLUEPRINT READING HISTORY.
- STEAM ENGINES AND VALVE SETTING HISTORY.
- A Lombard Oil Pressure Water Wheel Governor blueprint circa 1938.
- An original 1922 drawing of a Water Wheel governor installation.
- BLUEPRINT ON TRACING PAPER FROM 1918.
- READING SHOP BLUEPRINT HISTORY.
- JAMES LEFFEL LETTERHEAD, CIRCA 1944.