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

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

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

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

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

Photoelectric ray to determine flying ceiling. Washington, D.C., June 15. To permit a ground observer to determine at what height flying is safe during days of fog and heavy overcast, Miss Elizabeth M. Zandonini, of the Radio Section staff of the Bureau of Standards, is shown with the balloon transm

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

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'