Boring and Mortising Machine. (open access)

Boring and Mortising Machine.

Patent for a machine to bore square holes in substitute for a chisel and reduce labor, including illustration. The inventor calls it a "Mortise and Tenon Machine."
Date: July 11, 1848
Creator: Swingle, Alfred
System: The Portal to Texas History
Drawing Table (open access)

Drawing Table

Patent for a drawing table. This invention provides "support of a roll of paper or drawings beneath the top of the table in such a manner as to facilitate the unwinding of the roll" (line 9-11). Illustrations included.
Date: July 11, 1905
Creator: King, Thomas
System: The Portal to Texas History