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Automatic Valve

Description: Patent for an automatic valve, "designed to automatically control the water-supply to a suitable reservoir through the operation of a float (lines 9-11), with illustrations.
Date: April 25, 1905
Creator: Pinkerton, Henry S.
Item Type: Refine your search to only Patent

Churn Operator

Description: Patent for a Churn Operator. This device contains specifications for operating churn-dashers, as well as improvements for the established churn operator.
Date: April 13, 1905
Creator: Ham, James T.
Item Type: Refine your search to only Patent

Gang Plow

Description: Patent for a gang plow. This invention allows for the attachment of several plows might be towed to till large areas of land. Illustration included.
Date: April 4, 1905
Creator: Ray, Fellix Griffin
Item Type: Refine your search to only Patent
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