Lantern slide used for eugenic studies

http://lod.ehri-project-test.eu/units/us-005578-irn521546-irn1109 an entity of type: Record

The lantern slide was donated to the United States Holocaust Memorial Museum in 1989 by the University of Muenster. 
irn1109 
Lantern slide used for eugenic studies 
overall: Height: 3.860 inches (9.804 cm) | Width: 3.310 inches (8.407 cm) | Depth: 0.120 inches (0.305 cm) 
Racial slide used for eugenic studies: Mischlinge 
No restrictions on access 
No restrictions on use 
horizontal orientation; 3 frames, views of man wearing coat and tie facing right, front, and left; mechanism (pole and rest) can be seen behind head (used to hold head in place-?) (Jewish mischling erste grades -?) 

data from the linked data cloud