Resource Type

Improvement to Tire-Patch for Inner Tubes (open access)

Improvement to Tire-Patch for Inner Tubes

Patent for an improvement to tire-patches for inner tubes by making use of "a simple devise for jacketing that part of an inner tube which may be adjacent to a puncture or weak place in the outer casing to prevent blow outs" (lines 11-14). Instructions and illustrations included.
Date: February 9, 1915
Creator: Major, William W.
System: The Portal to Texas History
Measuring and Leveling Instrument (open access)

Measuring and Leveling Instrument

Patent for a new measuring and leveling instrument that allows the user to determine "in a convenient and efficient manner the angularity of a surface or object with respect to a vertical or horizontal line" (lines 10-13). Instructions and illustration included.
Date: February 9, 1915
Creator: Richardson, O. C.
System: The Portal to Texas History