- The Pierce Governor Company.
- LOMBARD GOVERNOR COMPANY, CIRCA 1903.
- LOMBARD GOVERNOR SALES IN 1903.
- LOMBARD HYDRAULIC TURBINE WATER WHEEL GOVERNOR HISTORY, CIRCA 1903.
- Brad's vintage governor advertisement project, circa 1902.
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- A LOMBARD GOVERNOR COMPANY ADVERTISEMENT FROM 1902.
- The Hydraulic Equipment of the Colgate Power House History Project.
- Brad's vintage hydraulic water wheel governor project.
- RISDON WATER WHEELS
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