Includes a 6 surgical knives and a Riechert Mundinger cerebral stereotaxy frame and some related surgical components. In other words, this is a carry-on deep-brain stereotaxy set. This carry-on set was manufactured by F. L. Fischer company from 1960 to 1975 at their Berlin facility. The transformer in the case was used for a light. The Riechert Mundinger cerebral stereotaxy frame dates to circa 1960 to 1975, and the surgical knives are undated.