Coplin Staining Jar for 5 Slides, 4.25" Tall Science Classroom Seventeen-and-a-half-inch wooden simple-lever apparatus with

Seventeen-and-a-half-inch wooden simple-lever apparatus with an adjustable fulcrum on an 8

with a 0 to 20 second reaction window for sanitation and food-safety checks

each numbered feature keyed to an identification card

Fifty-pack of 3mm steel ball bearings

the 90-45-45-degree polished faces handling longer beam paths for total internal reflection and image-inversion

Coplin Staining Jar for 5 Slides, 4.25" Tall Science Classroom Seventeen-and-a-half-inch wooden simple-lever apparatus withCoplin staining jar holds five standard 76 x 25mm microscope slides upright in 4. 25 inches of stain or wash solution during histology processing.