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Silo Construction

Description: Patent for Improvements in Silo Construction which include verticalstaves, grooves, and sealing strips. Illustrations included.
Date: November 13, 1917
Creator: Dietz, Paul A.
Partner: UNT Libraries Government Documents Department

Sash-Holder.

Description: Patent for a builders' hardware used to hold a sash in a closed to the adjacent stile so that the sash cannot be opened from the outside.
Date: November 13, 1917
Creator: Boynton, Amos W.
Partner: UNT Libraries Government Documents Department
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