original c. 1940's vintage medical human skull anatomical model salvaged from michael reese hospital (chicago, il). the unique molded plastic model was manufactured by the bausch & lomb optical co., rochester, ny. original high quality human skull cast. detailed depiction of fissures, foramina, sutures, etc. can be disassembled into skull cap, base of skull and spring-loaded mandible. hand-painted and numbered.