UNT Libraries Government Documents Department - 2 Matching Results

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Intrenching-Tool.

Description: Patent for certain new and useful improvements in intrenching tools, including instructions and illustrations.
Date: August 8, 1899
Creator: Hoffmann, Arnold G.

Improvement In Padlocks.

Description: Patent for improvements to Padlocks which can be opened with a key in conjunction with maneuvering the tumblers or locking-bolt.
Date: August 14, 1878
Creator: Jacobs, Morris
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