Full TitlePatent, To: William M. Canfield From: United States Patent Office, March 1, 1875.
Author United States Patent Office.
Contributor Spear, Ellis.
Date Added 8 January 2014
Publish Date 1875-03-01
Source Barry-Hayes Papers. [Series XVII, Box 11, Folder 17, Item 1]
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The Barry-Hayes Papers are maintained at Independence Seaport Museum, Philadelphia, PA. For more information, visit www.phillyseaport.org/library Signed by Acting Commissioner Ellis Spear. Patent Number 110, 432. Patent is "improvements in lubricating compounds for steam and other packing".