Arkivism
Testing amount of stretch in metals at Bu. of Standards
Public domain

Testing amount of stretch in metals at Bu. of Standards

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 lineTesting amount of stretch in metals at Bu. of Standards. 1925-01-01. National Photo Company Collection, Library of Congress. Public domain.
Open in Explore View at source

Similar works

Bureau of Standards milling storyBureau of Standards milling story Bureau of EngravingBureau of Engraving Bureau of Standards speeds up photomicrography with new apparatus. Washington, D.C., Aug. 18. By means of this new apparatus just designed by the metallurgical divisions of the National Bureau of Standards, it is now possible to make 700 micrographs per working day of the structural effect of corrosBureau of Standards speeds up photomicrography with new apparatus. Washington, D.C., Aug. 18. By means of this new apparatus just designed by the metallurgical divisions of the National Bureau of Standards, it is now possible to make 700 micrographs per working day of the structural effect of corros Testing airplanes lenses used in map making. Washington, D.C., May 6. Dr. F.E. Washer of the U.S. Bureau of Standards testing the lens for the airplane cameras that are used by the Army and Navy. There are lights in the rear of the columnmeters and exposures are made on the photographic plate in froTesting airplanes lenses used in map making. Washington, D.C., May 6. Dr. F.E. Washer of the U.S. Bureau of Standards testing the lens for the airplane cameras that are used by the Army and Navy. There are lights in the rear of the columnmeters and exposures are made on the photographic plate in fro U.S. Capitol, carpenter shop, [Washington, D.C.U.S. Capitol, carpenter shop, [Washington, D.C. Evolution of transportation, Smithsonian Institution, 8/25/25Evolution of transportation, Smithsonian Institution, 8/25/25