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Boring-Machine.
Patent for Boring-Machine. Particularly a boring-machine for boring brush blanks, and can bore all of the necessary openings, both straight and at an angle, at a single operation.
Date:
May 7, 1918
Creator:
Miller, Emma T.
System:
The Portal to Texas History
Insect-Trap.
Patent for a new and improved insect trap with a flanged pan, the mouth of which has an inclined surface. The insect trap is designed to be arranged directly over a burrow of ants, so that ants are directed to a bait pan.
Date:
May 7, 1918
Creator:
Mosby, William A.
System:
The Portal to Texas History
Electric Water-Heater.
Patent for a new electric water heater that forces water to travel around heated wires in tubes, including illustrations.
Date:
May 7, 1918
Creator:
Valdes, Salvador M.
System:
The Portal to Texas History