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September 28, 1937. "Sees that Uncle Sam gets value in purchases. 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 in Washington, she makes microscopic tests of typewriter paper, memo pads, envelopes, police uniforms, chair cushions, flags, etc. to determine whether the articles are delivered are represented when purchased." Harris & Ewing glass negative. View full size.