1795-1895. One hundred years of American commerce ... a history of American commerce by one hundred Americans, with a chronological table of the important events of American commerce and invention within the past one hundred yeras
ed. by Chauncey M. Depew ... Issued in commemoration of the completion of the first century of American commercial progress as inaugurated by the treaty ... negotiated by Chief Justice Jay and approved by President Washington in 1795.
This collection contains patents issued to inventors in Lancaster County. The patents have the technical information about the invention and also drawings and/or blueprints. Some of the patents are for a horse hay rake, pinions, a railroad car brake, and improvements in threshing machines, balancing mill stones, kitchen slicing utensils and a still. Two of the documents are signed by Secretary of State Henry Clay and President Andrew Jackson.