Arkivism
F.K. Hall, silk experiments, Bureau of Standards, 7/19/29
Public domain

F.K. Hall, silk experiments, Bureau of Standards, 7/19/29

1929-01-01 · photo, print, drawing

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

Subjects
glass negatives
Credit lineF.K. Hall, silk experiments, Bureau of Standards, 7/19/29. 1929-01-01. National Photo Company Collection, Library of Congress. Public domain.
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