Public domain
Steel manufacture, Allegheny-Ludlum. Testing is an integral part of the work at the steel mills. Thousands of dollars worth of amazingly accuarate testing machinery will be found in every mill, testing tensile strength, elastic limit, elongation and reduction of area. All steel is thoroughly tested
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSteel manufacture, Allegheny-Ludlum. Testing is an integral part of the work at the steel mills. Thousands of dollars worth of amazingly accuarate testing machinery will be found in every mill, testin. 1940-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
Similar works
Chicago, Illinois. Subsistence research laboratory of the U.S. Army quartermaster depot. Capt. S.G. Dunlap, bacteriologist
Unloading milk at creamery. San Angelo, Texas. The milk is weighed in this large kettle
Government experts discover "perpetual" electrical current. Washington, D.C., March 10. Dr. F.B. Silsbee (left) and Dr. F.G. Brickwedge, of the Bureau of Standards, have just concluded experiments which have proved that an electric current, cut off from its original source, will flow eternally round
And now a beer meter. Washington, D.C., May 1. To aid Uncle Same in collecting the tax on the millions of barrels of beer brewed in this country every year, the National Bureau of Standards has designed a master beer meter for use of the alcohol unit of the Bureau of Internal Revenue, U.S. Treasury.
Conversion. Auto plant to 75- and 155-mm shell production. The work of pointing shells must be conducted with care. Shells must be perfect to insure accurate performance. But high standards of accuracy are nothing new to the former automobile plant where these shells are being made. Oldsmobile, Lans
Diesel machine at House of David. Benton Harbor, Michigan. Religious community