1. Topography of skull showing which parts of the brain controlled abstract traits. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
2. Diagram of screening and interviewing booths for job placement Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
3. Bucket labelled "an intepretation of the Freudian mind." Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
