Improvement in Devices for Use in Reciprocating Churns.
Description:
Patent for a churn that has "the cylinder with angular perforations, in contradistinction to round perforations and long slots" (lines 18-20) including a detailed explanation and description of the illustration.
Date:
February 12, 1878
Creator:
Forsyth, John
Partner:
UNT Libraries Government Documents Department