1. Chart comparing criteria and test scores. Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
2. Man checking a machine tool spindle for concentricity using a test indicator. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
3. Geometric design test for employee for shape recognition. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
4. Geometric design test for employee regarding shape recognition. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
5. 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
6. Two photographs showing men measuring aspects of operating automobiles Collection: Early 20th Century Engineering Lantern Slides Set: Growth Date: undated Format: Image Agent: unknown
