Test electric light bulbs for Uncle Sam. Washington, D.C., March 21. Purchasing on an average of 4,000,000 electric light bulbs annually, Uncle Sam is probably one of the largest users of light in the country. The National Bureau of Standards sees that the government gets value received in purchases

Testing airplanes lenses used in map making. Washington, D.C., May 6. Dr. F.E. Washer of the U.S. Bureau of Standards testing the lens for the airplane cameras that are used by the Army and Navy. There are lights in the rear of the columnmeters and exposures are made on the photographic plate in fro

Government discovers method to preserve. (3) Test for fading. D. Levinsky of the Bureau of Standards is pictured exposing a developed film to light from a carbon arc to find whether the photographic image fades. The carbon-arc light simulates daylight closely and therefore is used for many mate

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

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

Checks railroad signal glasses for government. Washington, D.C., Sept. 29. Red should be read and orange should be orange and never should the colors in railroad signal glasses be so near alike as to confuse a trainman. The Government, through Mrs. Geraldine W. Haupt, Color Expert of the National Bu

Bureau of Standards designs mechanical batter to determine liveliness of baseballs. Washington, D.C., Feb. 21. Using a newly designed apparatus, the U.S. Bureau of Standards today began experiments to determine the relative home-run qualities of American, National and International baseballs. In con

U.S. testing liveliness of baseballs. Washington, D.C., Feb. 21. Experiments to test the liveliness of American, National and International League baseballs began at the National Bureau of Standards today. Edward B. Eynon, (left) Secretary of the Washington Baseball Club, and Dr. Hugh L. Dryden, Chi

Bureau of Standards puts ruge insulator through pressure tests. Washington, D.C., Nov. 30. H.L. Whitemore, (left), chief of the Engineering Mechanics section, National Bureau of Standards, and Dr. A.H. Stand, make a final check of the huge 1600 ? pound porcelain insulator before subjecting it to 2