Public domain
Conservation. Glass gauges replacing steel. Checking the outside diameter of a gear with one of the glass ring gauges, that are replacing steel gauges at the Frankford Arsenal. Glass gauges are lighter and cheaper than steel, permit greater visibility in inspection, are not as much affected by room
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineConservation. Glass gauges replacing steel. Checking the outside diameter of a gear with one of the glass ring gauges, that are replacing steel gauges at the Frankford Arsenal. Glass gauges are lighte. 1943-01-01. Hollem, Howard R., United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
Similar works
Conservation. Glass gauges replacing steel. A glass ring gauge for the inspection of fuse parts. These gauges are replacing steel gauges at the Frankford Arsenal. Glass gauges are lighter and cheaper than steel, permit greater visibility in inspection, are not as much affected by room temperatures a
Photo: aluminum housing
Conservation. Glass gauges replacing steel. Inspecting a gear with a steel ring, since replaced by a glass gauge at the Frankford Arsenal. Glass gauges are lighter and cheaper than steel, permit greater visibility in inspection, are not as much affected by room temperatures and heat of operators' h
Conservation. Glass gauges replacing steel. Markings on the handles of new glass gauges, which replace steel gauges at the Frankford Arsenal, are produced by acid etching. Glass gauges are lighter and cheaper than steel, permit greater visibility in inspection, are not as much affected by room tempe
Conservation. Glass gauges replacing steel. Checking an inside diameter of a cartridge case with one of the glass gauges which replace steel gauges at the Frankford Arsenal. Glass gauges are lighter and cheaper than steel, permit greater visibility in inspection, are not as much affected by room tem
Conservation. Glass gauges replacing steel. Markings are carried on a label pasted on the handle of a glass plug gauge, which replace steel gauges at the Frankford Arsenal. Markings on other gauges are produced by acid etching. Glass gauges are lighter and cheaper than steel, permit greater visibili