13. Improved workplace arrangement for operator Collection: Early 20th Century Engineering Lantern Slides Set: Time and Motion study Date: undated Format: Image Agent: unknown
14. Two photographs comparing work before and after, with 37% improvement. Collection: Early 20th Century Engineering Lantern Slides Set: Time and Motion study Date: undated Format: Image Agent: unknown
15. Effect of noise vs. quiet on the ability to work. The woman typist is wearing a mask under quiet and noisy conditions ; her breath is monitored by a man who is taking notes. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
16. Score report for Dorothy Robinson on speed (operating), inspection, and dual (both). Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: 13906 Format: Image Agent: unknown
17. Score report for Caroline Jones on speed (operating), inspection, and dual (both). Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: 13903 Format: Image Agent: unknown