Twenty-four photomicrographs, at a magnification of 3100X, clearly show all normal human blood cell types. The Wright stain preparations include several views of each of the following: erythrocytes, platelets, neutrophils, eosinophils, basophils, lymphocytes, and monocytes. An inset chart lists cells by type, appearance, function, and typical abundance. Measures 18" x 24"; durable lamination.