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 Reciprocating Churns (open access)

Improvement in Reciprocating Churns

Patent for "certain new and useful improvements in the construction of churns, whereby dashers are caused to rotate very rapidly, thus greatly facilitating the process of producing butter; also, the churn and its supporting frame-work being constructed and arranged in sections permits of it being taken apart very readily, and packed in a very small space for shipment." (lines 12-20) including instructions and illustrations.
Date: February 27, 1877
Creator: Welch, John M.
System: The Portal to Texas History