25. Men in automobile measuring acceleration with a pousometer. Collection: Early 20th Century Engineering Lantern Slides Set: Growth Date: undated Format: Image Agent: unknown
26. Hele-Shaw variable stroke pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
27. 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
28. Diagram of hydraulic windlass with hydraulic pump equipped with stroke regulator. Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
29. 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
30. Hand operated filling pump Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
31. Electro-hydraulic steering gear engine Collection: Early 20th Century Engineering Lantern Slides Set: Eastman Date: undated Format: Image Agent: unknown
32. Electro-hydraulic steering gear engine Collection: Early 20th Century Engineering Lantern Slides Set: Eastman Date: undated Format: Image Agent: unknown
33. 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
34. 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
35. 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
36. Drawing of 5 floors in a plant in relation to Main Street. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
