1. Female worker demonstrating old and new ways of inspecting bearing assemblies. Collection: Early 20th Century Engineering Lantern Slides Set: Time and Motion study Date: undated Format: Image Agent: unknown
2. Old and new methods of wrapping jackets with paper. Collection: Early 20th Century Engineering Lantern Slides Set: Time and Motion study Date: undated Format: Image Agent: unknown
3. Female factory worker creating letters on a plate for eventual printing in a circular workspace, McGraw-Hill Book Company. Collection: Early 20th Century Engineering Lantern Slides Set: Time and Motion study Date: undated Format: Image Agent: unknown
4. 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
