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Cistern-Guard.

Description: Patent for a device that guards the water cistern against impure water which drains from the roof of a building to which the cistern appertains.
Date: March 26, 1912
Creator: Johnson, Charles W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bat-Former

Description: Patent for a cotton bat former that produces a bat of uniform size and weight.
Date: March 21, 1911
Creator: Ball, Samuel M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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