Public domain
Test No. 44, 5" partition, lime plaster on wood lath, rock wool fill
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineTest No. 44, 5" partition, lime plaster on wood lath, rock wool fill. 1934. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.