Churn Power. (open access)

Churn Power.

Patent for a new and improved churn power. This design "relates to improvements in churn-powers in which suitable gearing and frame-work operate in conjunction with a vertically-reciprocating dasher; and the objects of [the] improvements are, first, to provide a spring-power and suitable gearing for operating the dasher, with a view to rendering the same in a high degree effective, convenient, and especially adapted to the requirements of service; and second, to afford facilities for the easy winding of the powerful spring required for such service" (lines 8-19).
Date: February 17, 1885
Creator: Lawrence, Joseph A.
System: The Portal to Texas History
Pulverizer. (open access)

Pulverizer.

Patent for improved pulverizer that according to the inventor, can achieve "the same amount of work as four ordinary eight-inch plows".
Date: February 17, 1885
Creator: D'Spain, Thomas C.
System: The Portal to Texas History
Rotary Engine (open access)

Rotary Engine

Patent for rotary engine.
Date: February 17, 1903
Creator: May, Reynolds
System: The Portal to Texas History