13. Detailed evaluation of employee regarding percentage of their work which is confidential, deals with errors, contacts, and conditions. Collection: Early 20th Century Engineering Lantern Slides Set: Job rating Date: undated Format: Image Agent: unknown
14. Job rating for boring mill operator, containing substantiating data. Collection: Early 20th Century Engineering Lantern Slides Set: Job rating Date: undated Format: Image Agent: unknown
15. 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
16. Job description for a boring mill operator Collection: Early 20th Century Engineering Lantern Slides Set: Job rating Date: undated Format: Image Agent: unknown
17. Mill-worker operating circular saw to cut super-chargers for airplane engines at Packard Motor Company. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
18. 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
19. Examples of screws, studs, and knobs made by the automatic screw machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
20. Gear hob from the Barber Coleman Company Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Rockford, Illinois Date: undated Format: Image Agent: unknown
21. Gridley multiple spindle automatic machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
22. First milling machine, Eli Whitney, 1818 Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1818 Format: Image Agent: unknown
23. 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
24. Multiple spindle vertical lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown