Bidspirit auction | Tyler and Sargent Brass Test

Tyler and Sargent Brass Test Sieves - A graduated set of four laboratory test sieves and one receiver pan. The brass frames house varying wire mesh screens by The W. S. Tyler Company and E. H. Sargent & Co. A plumbing valve with a blue handle is fitted to the base pan. Diameter: 8 inches. The sieves are in good vintage condition with oxidation and surface wear throughout. The fine No. 100 mesh shows discoloration and residue, while the base pan interior contains red staining. The valve handle exhibits moderate paint loss.