Improvement in Saw-Set. (open access)

Improvement in Saw-Set.

Patent for an invention "which can be used for setting the teeth of all kinds of saws by hand, and without requiring and intricate machinery" (lines 15-18). The patent includes instructions and an illustration.
Date: February 15, 1870
Creator: Harris, H. A.
System: The Portal to Texas History
Improvement in Motors for Operating Churns. (open access)

Improvement in Motors for Operating Churns.

Patent for "a simple and effective motive power for operating the dashers of churns; and it consists of a suitable frame-work provided with a fly-wheel, operated by a pitman attached to a bar projecting from brackets on the side of an ordinary rocking-chair, said fly-wheel being provided with cogs upon one side, which mesh into the cogs on a smaller wheel, which caries a crank for operating the dasher of the churn, a suitable belt being arranged upon the rim of the fly-wheel and around a small pulley for setting in motion a rotary fan." (Lines 13-25) Includes instructions and illustrations.
Date: January 15, 1878
Creator: Crump, Thomas J.
System: The Portal to Texas History