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Well-Drilling Apparatus

Description: Patent for a well-drilling apparatus granted to Eli Catlin which is simpler and more convenient to use as well as being less expensive.
Date: November 27, 1883
Creator: Catlin, Eli
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cleaner for Gun Barrels.

Description: Patent for a new and improved cleaner for gun barrels. This design "consists of a brush or cleaner formed in the main of spring metal, (preferably of brass,) and provided with bristles beveled at their free ends, so set in suitable holding parts as that when unconfined said bristles will move outward from a common axis and bear against the inner surface of a gun barrel when placed within the same" (lines 13-20).
Date: November 27, 1883
Creator: Petmecky, Joseph C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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