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Detail of valve spring
Public domain

Detail of valve spring

Liberman, Howard · 1942-01-01 · photo, print, drawing

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

Subjects
safety film negativesunited states
Credit lineDetail of valve spring. 1942-01-01. Liberman, Howard. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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