Resource Type

Word Counting Device for Type-Writers (open access)

Word Counting Device for Type-Writers

Patent for a word counting device to be used with a typewriter. Illustrations included.
Date: April 5, 1910
Creator: Girand, Wilberforce D.
System: The Portal to Texas History
Spring-Wheel. (open access)

Spring-Wheel.

Patent for wheels in which spring-spokes are utilized to provide resilience. Provides design in which spokes are curved to correspond with the curvature of the hub allowing fastening to the rim.
Date: August 5, 1913
Creator: Martin, Vol
System: The Portal to Texas History