1. Ergogram measuring physical fatigue after repeated motion. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
2. Personality Inventory by Robert G. Bernreuter Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
3. Portrait of an older man in regards to man's development. Artist is Carl Bohnen, 1871-1951. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
4. Chart comparing output, intelligence and boredom of factory workers with superior intelligence. Work includes chocolate packaging and soap wrapping, inserting, and winding. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
5. Chart depicting scores of department store saleswomen in Minneapolis and St. Paul regarding personality and ability. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Location: Minneapolis, Minnesota St. Paul, Minnesota Date: undated Format: Image Agent: unknown
6. Chart comparing output, intelligence, and boredom of factory workers with inferior intelligence who perform soap wrapping and chocolate packing. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
7. Historical visual chart from the Philadelphia Electric Company, used for reporting performance on clerical aptitude and proficiency tests. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
8. Humorous cartoon of a doctor measuring a person's head with a compass. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
9. Chart illustrating the relationship between mental age and occupation Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
10. Portrait of a middle-aged man in regards to man's development. Artist is Carl Bohnen, 1871-1951. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
11. Portrait of a young man in regards to man's development. Artist is Carl Bohnen, 1871-1951. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
12. Chart from a study by M. R. Trabue, comparing the abilities and personality traits of general clerical workers across different industries. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
