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Combination Rail-Joint and Nut-Lock (open access)

Combination Rail-Joint and Nut-Lock

Patent for a combination rail joint and nut lock to hold railroad tracks in place.
Date: December 31, 1912
Creator: Iley, William A.; Money, Robert L. & Money, Benjamin F.
System: The Portal to Texas History
Chemical Fire-Extingusiher. (open access)

Chemical Fire-Extingusiher.

Patent for a chemical fire-extinguisher meant to "provide an improved acid-receptacle which will obviate the objects to the ordinary acid-bottles now in use" (lines 15-18).
Date: December 31, 1896
Creator: Flatau, Louis, S.
System: The Portal to Texas History
Chemical Fire-Extinguisher. (open access)

Chemical Fire-Extinguisher.

Patent for chemical fire extinguishers "in which the acid-bottle consists of two concentric cylinders, the inner one of which is open at top and bottom, and which, when the bottle is placed in the cylinder containing the water and soda, potash, or other material, a compressed-air seal will be formed, preventing the acid and water from commingling; but when the bottle is inverted the seal will be broken, and the water and acid coming together will generate the gas." (Lines 18-28) Includes instructions and illustrations.
Date: December 31, 1895
Creator: Flatau, Louis Spencer
System: The Portal to Texas History
Building Tile. (open access)

Building Tile.

Patent for "hollow blocks" or "tile and hollow corner blocks" that "prevent moisture from passing through walls" (lines 10-14).
Date: December 31, 1918
Creator: Bennett, Walter R.
System: The Portal to Texas History