Resource Type

Measuring Instrument. (open access)

Measuring Instrument.

Patent for caliper style measuring instrument which may be used as a micrometer. This measuring instrument features legs that may be used for measuring the inside or outside dimensions of an object.
Date: October 23, 1917
Creator: Taylor, Albert J.
System: The Portal to Texas History
Resilient Wheel (open access)

Resilient Wheel

Patent for an improved automobile spring wheel that has an auxiliary tread and is separate from the spokes, so that it adds cushioning to the spokes.
Date: March 23, 1916
Creator: Luttrell, William J.
System: The Portal to Texas History