Resource Type

Catamenial Applicance (open access)

Catamenial Applicance

Patent for a catamenial appliance that can be worn like an apron. In conjunction with a "napkin the device can prevent outer garments from stains during or prior to menstruation" (p. 1, lines 10-15)
Date: December 29, 1914
Creator: Myers, Jennie C.
System: The Portal to Texas History
Churn. (open access)

Churn.

Patent for improvements in churns that are made with an actuating motor, including illustrations and instructions.
Date: December 18, 1917
Creator: Waller, Charles Floyd
System: The Portal to Texas History
Rotary Engine (open access)

Rotary Engine

Patent for a rotary steam engine with an improved steam cylinder.
Date: December 3, 1912
Creator: Lawrenson, Judge Peck
System: The Portal to Texas History