25. Mean time between failure curves compared to probability of acceptance. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
26. Failure rate example #5 with exponential equations. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
27. Man measuring a man's foot during Edward II's reign of 1324. Collection: Early 20th Century Engineering Lantern Slides Date: 1324 Format: Image Agent: unknown
28. Report on employee with positive and negative traits. Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
29. Manual dexterity dotting test for female worker. One puts a dot in the middle of each circle. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
30. Geometric design test for employee regarding shape recognition. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
31. Man standing behind milling machine which drilled holes into a valve flange. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
32. Heald No. 81 Internal Centerless Grinding Machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
33. Two men stacking parts in an automobile factory Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
34. Man (machinist) operating a drilling machine. Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
35. General Electric Company rating sheet for employees regarding personality traits Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
36. Test for applicant where they are using right hand and left hand simultaneously to turn pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
