Measuring Wool by Staple Length Recorder

H. D. Ray, H. C. Reals, D. D. Johnston and E. M. Pohle

No 312436, Marketing Research Reports from United States Department of Agriculture, Agricultural Marketing Service, Transportation and Marketing Program

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.

Keywords: Livestock Production/Industries; Marketing; Research and Development/Tech Change/Emerging Technologies; Research Methods/Statistical Methods (search for similar items in EconPapers)
Pages: 18
Date: 1964-07
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Persistent link: https://EconPapers.repec.org/RePEc:ags:uamsmr:312436

DOI: 10.22004/ag.econ.312436

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