1. Oldest known lathe on the tomb of Petosiris circa 300 BCE Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Egypt Date: undated Format: Image Agent: unknown
2. Teacher lecturing to over a dozen students in a classroom Collection: Early 20th Century Engineering Lantern Slides Set: Personnel Date: undated Format: Image Agent: unknown
3. General rating sheet for employee on capacity for future growth and aptitude for leadership. Collection: Early 20th Century Engineering Lantern Slides Set: Job rating Date: undated Format: Image Agent: unknown
4. Close up of electronic milling tool cutting a bracket for an airplane propeller in Chicago Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Chicago, Illinois Date: undated Format: Image Agent: unknown
5. Revolving vertical turrets machining parts in assembly line Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
6. Hand operated filling pump Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
7. Plant layout showing conveyor belt configured for 12 workers, and another layout doing the same work, configured for 6 workers. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
8. Motorized turret lathe by Potter and Johnson, their name imprinted on the machine. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Pawtucket, Rhode Island Date: undated Format: Image Agent: unknown
9. Motorized turret lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Pawtucket, Rhode Island Date: undated Format: Image Agent: unknown
10. Drawings of three faces side profile. Labelled convex, plane, and concave. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
11. Yarrow boiler with superheater, section of Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
12. Flow chart outlining the process through production, store room, dispatch station, manufacturing, cost, and accounting. Collection: Early 20th Century Engineering Lantern Slides Set: Organization Date: undated Format: Image Agent: unknown
