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Measuring Wool by Staple Length Recorder

Author

Listed:
  • Ray, H. D.
  • Reals, H. C.
  • Johnston, D. D.
  • Pohle, E. M.

Abstract

Excerpts from the report: Staple length is one of the most important measurable quality factors considered when assessing the utility and value of grease wool. Present methods of determining unstretched (normal) staple length by measurement or visual estimation are relatively slow and not as precise as is desirable. A machine was needed that would quickly and precisely determine average unstretched staple length of grease wool and eliminate operator differences and individual bias. Such a machine, known as the Wool Staple Length Recorder, was designed and manufactured for the U.S. Department of Agriculture by the United States Testing Company of Hoboken, New Jersey. This is a report on this Length Recorder, a brief description of the machine and its operation, an evaluation of its precision in measuring various types of wool, data on the time required to measure wools of different lengths, and suggestions for improvements.

Suggested Citation

  • Ray, H. D. & Reals, H. C. & Johnston, D. D. & Pohle, E. M., 1964. "Measuring Wool by Staple Length Recorder," Marketing Research Reports 312436, United States Department of Agriculture, Agricultural Marketing Service, Transportation and Marketing Program.
    • Handle: RePEc:ags:uamsmr:312436
    DOI: 10.22004/ag.econ.312436
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