Improvement In Circular-Saw Mills. (open access)

Improvement In Circular-Saw Mills.

Patent for an improved Circular Sawmill with an " improved adjustable feed mechanism" (pg 1). Illustration Included.
Date: October 22, 1872
Creator: Jones, John B.
System: The Portal to Texas History
Oil-Burner (open access)

Oil-Burner

Patent for a new way to spray atomized "oil, or a combination of oil with air or steam, or both air and steam, for the purpose of burning in a furnace" (lines 13-15) allowing for all of the oil to be burned. Enhancements were also made to the mixing chamber, discharge regulator, and ability to disassemble for cleaning and repair.
Date: October 22, 1918
Creator: Humason, Granville A.
System: The Portal to Texas History
Pole or shaft. (open access)

Pole or shaft.

Patent for poles and shafts for vehicles with the objective of providing "simple and inexpensive means for dispensing with the singletree ordinarily employed with a pair of shafts or thills in a one-horse vehicle or the usual doubletree in a two-horse vehicle." (Lines 10-15)
Date: October 22, 1901
Creator: Sharp, Marvin A. & Sharp, Bird H.
System: The Portal to Texas History
Improvement in railroad switches (open access)

Improvement in railroad switches

Patent for an improvement in railroad switches, including illustrations.
Date: October 22, 1872
Creator: Fitzsimmons, Henry
System: The Portal to Texas History