Hemacytometer with Levy Counting Chamber
Arthur H Thomas Company (estab. 1900)
U.S. Army issued Hemacytometer with Levy counting chamber, in a green, velvet line case. Within its original cardboard box, also contained in the box is a Technological Service 2nd edition booklet, 'An improved Technique for the Counting of Blood Corpuscles, Blood Platelets, Cells in Cerebro-Spinal Fluid and Pus Cells in Urine prepared especially for use with Levy and levy-Hausser Counting Chambers.