13. 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
14. Gridley multiple spindle automatic machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
15. 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
16. Multiple spindle vertical lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
17. Men in automobile measuring acceleration with a pousometer. Collection: Early 20th Century Engineering Lantern Slides Set: Growth Date: undated Format: Image Agent: unknown
18. Hele-Shaw variable stroke pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
19. Man reading to workers assembling cigars in a factory in Cuba. Collection: Early 20th Century Engineering Lantern Slides Set: Growth Location: Cuba Date: undated Format: Image Agent: unknown
20. Men using instruments to measure effect of using brakes on fuel level. Collection: Early 20th Century Engineering Lantern Slides Set: Growth Date: undated Format: Image Agent: unknown
21. Hand operated filling pump Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
22. Electro-hydraulic steering gear engine Collection: Early 20th Century Engineering Lantern Slides Set: Eastman Date: undated Format: Image Agent: unknown
23. Electro-hydraulic steering gear engine Collection: Early 20th Century Engineering Lantern Slides Set: Eastman Date: undated Format: Image Agent: unknown
24. Picture showing the straight-line method of controlling forms reduced the number from 21 to 10 forms. It also reduced the amout of paper from 67,000 to 3,000 annually. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
