13. The first photograph showing dozens of men taking tests. The 2nd photograph shows a supervisor timing an applicant in a jigsaw-puzzle test. Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
14. Graph showing use of various personnel management devices in 195 concerns in employment, maintenance, payment, and factors in wage determination. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
15. Man caring a cart with a heavy load. He has a face mask measuring his efficiency over time. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
16. Graph showing use of various personnel management devices in 195 concerns in insurance, development, and research control. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
17. Bucket labelled "an intepretation of the Freudian mind." Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
18. Mosso-Ergograph (after H. Lehmann), a devise used to measure muscle fatigue and work capacity from repeatedly moving a finger. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: 1880s Format: Image Agent: unknown
19. 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
20. Drawings of nine heads connecting different shapes to various personalities. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
21. Drawings of the faces of two men - the salesman type and the executive type, with comments on facial features. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
22. Drawings of the faces of two men - financial type and professional type, with comments on facial features. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
23. 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
24. 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
