Contains glass lantern slides of cardiovascular lab equipment and slides used for teaching. Subject matter of teaching slides is broad, including identification and treatment/surgical information for breast cancer, thyroid disease, appendicitis, peripheral vascular disease, stomach carcinoma, colon carcinoma, esophagus carcinoma, arterial injuries, hernias, alimentary tract, and possibly gastroschisis. Some illustrations have dates, but the lantern slides are undated.