Category: Chymistry
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or Search, an Instrument serving to separate the Fine from the Coarse Parts of Powders, Liquors, &c. or to cleanse the Pulse from Dud, light Grains, &c. 'Tis made of a Rim of Wood ; the Circle, or Space whereof is filled with a Tissue of Silk, Tiffany, Hair, Line, Wire, or even thin Slices of Wood. The Sieves which have large Holes, are usually called Riddles ; such is the Coat or Lime Sieve, Garden Sieve, &c. When Drugs, apt to evaporate, are to be passed thro' the Sieve, 'tis usual to have it covered with a Lid.