Arkivism
Dr. Paul R. Heyl of Bu. of Standards, 6/6/25
Public domain

Dr. Paul R. Heyl of Bu. of Standards, 6/6/25

1925-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
glass negatives
Credit lineDr. Paul R. Heyl of Bu. of Standards, 6/6/25. 1925-01-01. National Photo Company Collection, Library of Congress. Public domain.
Open in Explore View at source

Similar works

Clarence Darrow at Cosmos Club, [Washington, D.C.], 3/14/25Clarence Darrow at Cosmos Club, [Washington, D.C.], 3/14/25 Dr. Geo. E. Lewis, Sup. of Schools, Montgomery County, Md.Dr. Geo. E. Lewis, Sup. of Schools, Montgomery County, Md. JORDAN, DAVID STARR. PRESIDENT, LELAND STANFORD UNIVERSITYJORDAN, DAVID STARR. PRESIDENT, LELAND STANFORD UNIVERSITY GADDIS, DR. EUGENEGADDIS, DR. EUGENE Prof. David Todd at White House, [Washington, D.C.], 9/13/24Prof. David Todd at White House, [Washington, D.C.], 9/13/24 C. CarterC. Carter