Plow (open access)

Plow

Patent for plow improvements, including a "novelly adjusted stock" and "adjustable colter knife," with illustration (lines 10-15).
Date: February 16, 1915
Creator: Hankins, Elias
System: The Portal to Texas History
Tire-Bolting Machine (open access)

Tire-Bolting Machine

Patent for new tire-bolting machine with "a unique assemblage of component parts, to enhance the utility of the structure, and the apparatus being improved generally to increase the efficiency thereof." (lines 16-19) , including instructions and illustrations.
Date: May 4, 1915
Creator: McCullough, Benjamin F.
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for "a pneumatically actuated nozzle for elevating water, in which the parts are readily assembled and adjusted for both shallow and deep work" (lines 19-22).
Date: June 29, 1915
Creator: Meier, Fred H.
System: The Portal to Texas History