Resource Type

Spindle Lubricator. (open access)

Spindle Lubricator.

Patent for improving the process of lubricating spindles without removing the wheel, and at a more affordable cost.
Date: January 1, 1918
Creator: Stair, Oscar H.
System: The Portal to Texas History
Lamp-Burner. (open access)

Lamp-Burner.

Patent for a lamp burner that supplies air to the lamp flame to ensure proper combustion and maximum light while keeping flame in proper position, illustration included.
Date: January 8, 1918
Creator: McCrone, John W.
System: The Portal to Texas History