How much wear will your carpet stand? Washington, D.C., March 19. A machine that produces the bending, slipping, twisting, and compression of the pile that takes place when a carpet is walked upon, has been developed by the National Bureau of Standards to test the durability of carpets. H.F. Schiefe

Hosiery testing machine. Washington, D.C., March 23. At the request of the General Federation of Women's Clubs, the U.S. Bureau of Standards has developed a hosiery testing machine. The machine simulates the force acting on a stocking at the knee and garter clasps in use. A survey was made of women'

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

Government discovers method to preseve film. Folding endurance test, The flexibility is measured in this folding endurance tester. A strip of film is folded back and forth under tension until it breaks, and the number of folds it withstands is counted. Three types of films have been studied, termed

Tire testing machine. Washington, D.C., May 20. Testing wear and tear on tires with this tire testing machine at the Bureau of Standards is W.D. ? hold, the machine simulates road tests traveling from 20 to 60 mph, the only difference is that the load on the tires is heavier than the normal weight

Device for testing testers. Washington, D.C., May 25. Herbert L. Whittemore, Chief Justice of the Engineering Mechanics Sections, U.S. Bureau of Standards, has been awarded the Edward Longstreth medal for his work in developing this device for testing the machines which in turn test construction mat

Machine performs half a day's manual labor in 5 minutes. Washington, D.C., Dec. 22. H.J. Keegan of the U.S. Bureau of Standards, using the spectrophotometer to determine the different colors in a piece of cloth. It formerly took a man a half a day to make this spectrum analysis but now the machine d

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 corros

Traffic paint undergoes rigid tests. Washington, D.C., April 16. At the U.S. Bureau of Standards, J.E. Keefauver of the Bureau has been running tests on the paint that is placed on safety zones and streets to determine which has the best wearing activity. The discs ? are painted with the traffic p