Interesting job with Uncle Sam. Washington, D.C., Oct. 13. One volt after another is all in the day's work for Mrs. L.H. Brickwedde, who is a battery expert for the National Bureau of Standards. Using a potentiometer - or in other words, a standard cell comparator - Miss Brickwedde is shown calibrat

U.S. conducts tests to improve acidity standards. Washington, D.C. June 16. At the National Bureau of Standards, Dr. Walter J. Hamer is making very accurate electrometric measurements on acidity standards. They are useful in the practical control of many processes such as electroplating, purificat

Sees that Uncle Sam gets value in purchases. Washington, D.C., Sept. 28. Miss Mary L. Rollins is responsible for seeing that the government gets value received for every dollar expended for paper and materials containing textile fibers. As fiber technologist of the National Bureau of Standards, she

Precise measurements. Washington, D.C. June 17. W.H. Goss, of the National Bureau of Standards, is shown making very precise measurements of the electrical conductance of standard solutions, which are the basis of industrial control of boiled water, steam condensates, beet sugar refining, metal clea

Color expert for Uncle Sam. Washington, D.C., June 20. When it was discovered that color plays an important role in marketing of cotton, Miss Dorothy Nickerson, Color Technologist of the U.S. Department of Agriculture, developed a method for measuring the color of raw cotton mechanically. The equi

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

Uncle Sam's color expert. Washington, D.C., Sept. 20. Miss Dorothy Nickerson is one person who can't afford to go color-blind. She is the color analyst of the U.S. Department of Agriculture and measures color as a means of grading and standardizing many agricultural products such as cotton, hay, fru

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

Final check, weather device. Washington, D.C., Sept. 13. L.L. Stockman, also of the Bureau of Standards, Radium Division, uses a wave meter to check the radiometeorograph before attaching it to the parachute and the balloon. When the inflated bag breaks, which it usually does after several hours fly