Arkivism
Conservation. Glass gauges replacing steel. Colonel H.B. Hambleton, Chief of Army Ordnance's Gage Section explains the virtues of a glass plug gauge to Mr. Thornton Lewis and Brigadier General H.F. Safford (left to right).  Glass gauges are lighter and cheaper than steel, permit greater visibility i
Public domain

Conservation. Glass gauges replacing steel. Colonel H.B. Hambleton, Chief of Army Ordnance's Gage Section explains the virtues of a glass plug gauge to Mr. Thornton Lewis and Brigadier General H.F. Safford (left to right). Glass gauges are lighter and cheaper than steel, permit greater visibility i

United States. Office Of War Information, Palmer, Alfred T. · 1943-01-01 · photo, print, drawing

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

Credit lineConservation. Glass gauges replacing steel. Colonel H.B. Hambleton, Chief of Army Ordnance's Gage Section explains the virtues of a glass plug gauge to Mr. Thornton Lewis and Brigadier General H.F. Sa. 1943-01-01. United States. Office Of War Information, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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