Tyler Standard Screen Set 3 Pieces with Lid , .263 & .065 Gold Panning
The Tyler Standard Screen Scale Sieve, or Tyler Equivalent, is a series of sieves used for particle size analysis, particularly for granular materials. It's a standard tool in testing and is closely related to the U.S. Sieve Series. The Tyler Standard Screen Scale was developed by W.S. Tyler in 1910 and forms the basis for the ASTM E-11 standard used in particle analysis.
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