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
Insecticide Compound. (open access)

Insecticide Compound.

Patent for improvements in insect-exterminating compounds and processes; the ingredients for the mixture and instruction on how to prepare the compound are included. No illustration.
Date: April 4, 1882
Creator: Nettle, William B.
System: The Portal to Texas History