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Filter. (open access)

Filter.

Patent for a new and improved filter. This design is for "[a] filter consisting of sections secured together at their meeting edges by a lapped joint, the upper edge of [a] section being fitted wholly within [another] section and forming a shoulder for the support of a screen-plate, and the body of filtering material above, a shoulder on [a] section below [the] shoulder, and screen plates resting on and held to the shoulders by the weight of the body of filtering material, whereby, when the filter-sections are inverted, the [other] shoulder serves to support [the] screen and the filtering material above" (lines 45-56).
Date: February 15, 1887
Creator: Begemann, Charles Fredrich William
System: The Portal to Texas History
Pipe Connection. (open access)

Pipe Connection.

Patent for a new and improved pipe connection. This design has for its object "to provide a new and improved pipe connection which permits of swinging the several connected pipe-sections at angles to each other. The invention consists of two pipe-heads fastened together and turning on a spring-bolt, and of a packing placed between the said pipe-heads to prevent leakage" (lines 8-15).
Date: March 15, 1887
Creator: Jones, William E. & Winniatt, Harry
System: The Portal to Texas History