Public domain
Man, possibly William B. Greene, with model for a machine that appears to be designed to scoop up material
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineMan, possibly William B. Greene, with model for a machine that appears to be designed to scoop up material. 1914-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.