
The Plain Glass Microscope Slides by United Scientific are pre-cleaned sheet-glass slides in the standard 75 mm x 25 mm (3" x 1") format, 1.0 to 1.2 mm thick, with ground edges. Supplied in packs of 72, they fit standard microscope stages, slide boxes and staining racks. Biology classrooms and general labs use them for wet mounts, smears and stained specimen preparations.