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Jail Cells.

Description: Patent for new and improved jail cells. This design calls for cell walls constructed of vertical sections secured by through-bolts, tubular bars for the concealment of the through-bolts, wooden corner-posts and sill and head timbers, and outer and main walls lined with sheet-iron (with narrow windows lined with chilled cast-iron) (paras. 15-19).
Date: January 29, 1878
Creator: Thomas, John S.
Partner: UNT Libraries Government Documents Department

Improvement in Tube-Fastenings for Boilers.

Description: Patent for improvement of tube-fastenings for boilers which will secure flues in steam-boilers, including illustrations.
Date: January 28, 1879
Creator: Walsh, William H.
Partner: UNT Libraries Government Documents Department

Improvement in Broom-Handles.

Description: Patent for improving a spring-hinge joint that secures the broom during transportation.
Date: January 20, 1874
Creator: Turner, Ephraim M. & Turner, John W.
Partner: UNT Libraries Government Documents Department
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