Broadside for Sorber's Self-Lubricating Axles
Cincinnati and Washington: Knight Brothers', 1868. Broadside measruing 16 x 9", on blue paper, with illustrations of axles plus text describing the new axle technology patented by Jacob L. Sorber of Greenville, Darke, County, Ohio. Folding creases, a bit of toning along edges, in excellent condition overall.