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Sash Cord Holder

Description: Patent for a sash cord holder. Illustration included.
Date: May 10, 1904
Creator: Haas, Edward
Partner: UNT Libraries Government Documents Department

Automatic Railway Switch Lock

Description: Patent for an automatic railway switch lock. Illustration included.
Date: May 17, 1904
Creator: Sulfer, Charles
Partner: UNT Libraries Government Documents Department
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