Public domain
Southeast Missouri Farms Project. House erection. Trusses are raised in place and spaced at the top, ends are automatically spaced by placing joist directly over studs
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSoutheast Missouri Farms Project. House erection. Trusses are raised in place and spaced at the top, ends are automatically spaced by placing joist directly over studs. 1938-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.