Fireproof Swing and Ventilator. (open access)

Fireproof Swing and Ventilator.

Patent for fireproof ventilated swing for the chimney base to prevent sagging of the ceiling.
Date: October 2, 1917
Creator: Craven, Danniel M., Sr
System: The Portal to Texas History
Fence. (open access)

Fence.

Patent for improvements in wire fences: "the invention residing particularly in the mechanism for tightening the linewires of the fence and in an improved stay for preventing the sagging of said linewires" (lines 12-15)
Date: October 12, 1897
Creator: Bohner, Charles A.
System: The Portal to Texas History