Resource Type

Process of and Apparatus for Cleaning, Tinting, and Polishing Pecan and Other Nuts. (open access)

Process of and Apparatus for Cleaning, Tinting, and Polishing Pecan and Other Nuts.

Patent for a new and improved method and machine for cleaning, tinting, and polishing nuts. This design facilitates "[t]he process of cleaning and tinting pecan and other nuts, which consists in first subjecting them to the action of a lye, abrading substances, and water within a rotating close vessel, and subsequently to the action of a dyeing solution in a separate rotating close vessel" (lines 5-11).
Date: October 30, 1883
Creator: Koerber, Rudolph C.
System: The Portal to Texas History
Dry Ore-Concentrator (open access)

Dry Ore-Concentrator

Patent for improvements specifically for ore concentrators. Illustrations and instructions included.
Date: January 18, 1883
Creator: Vollmer, John George
System: The Portal to Texas History