Public domain
New machine to test brake linings designed by Bureau of Standards. Washington, D.C., March 16. A new machine, both in design and operations, has been installed at the National Bureau of Standards for the testing of brake linings. The machine permits the study of brake linings under conditions closel
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineNew machine to test brake linings designed by Bureau of Standards. Washington, D.C., March 16. A new machine, both in design and operations, has been installed at the National Bureau of Standards for . 1938-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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