Image: William Louden patent (1867) for "Elevating and Conveying Device"
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Description: Drawing from William Louden's 1867 patent application for his hay carrier, U.S. Patent Office Records, Volume 4, 1868 (for year 1867), p. 972.
Title: William Louden patent (1867) for "Elevating and Conveying Device"
Credit: Jefferson County Trails http://www.jeffersoncountytrails.org/Louden/h-first.htm
Author: William Louden
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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