Resource Type

Composition of Matter for Manufacturing Calcium Carbid. (open access)

Composition of Matter for Manufacturing Calcium Carbid.

Patent for a compound for use in commercial manufacturing of the product calcium sodic carbid claiming to reduce time and expense of production process.
Date: November 10, 1896
Creator: Eldridge, Hilliary; Clark, Daniel Johnson & Wambaugh, Mahlon W.
System: The Portal to Texas History
Thill-Coupling. (open access)

Thill-Coupling.

Patent for an expansible coupling-bolt designed to not rattle and to "provide a simple but effective means for taking up the play between the coupling-pin in the lug-bearings" (lines 17-20).
Date: November 3, 1896
Creator: Stowe, John N., Jr.
System: The Portal to Texas History
Rail-Joint. (open access)

Rail-Joint.

Patent for rail-joints that are a "firm and secure support for the abutting ends of rails to maintain their treads in the same horizontal plane and prevent them from being mashed down at the ends" (lines 13-17). This makes train passengers more comfortable and lengthens the rail's and the fish-plates' lives, and makes fish-plates more stable.
Date: November 3, 1896
Creator: Wambaugh, Mahlon W.
System: The Portal to Texas History