Resource Type
Counties
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Pumping-Head.
Patent for a pumping head involving two piston rods that are rigid and, if broken, can be replaced without harming the rest of the machine. The patent includes instructions and illustrations.
Date:
November 17, 1914
Creator:
Boicourt, John L.
System:
The Portal to Texas History
Revolving Book-Holder.
Patent for a "combined desk and cabinet especially designed for students' use to obviate the scattering about of books when writing, studying, or making reference thereto" (lines 8-12). The are two rotating sections: a many-faced book-rest, and a cabinet above it where books can be stored. There is also a sliding writing-board underneath the desk.
Date:
November 17, 1896
Creator:
Ballart, Calvert L.
System:
The Portal to Texas History