13. 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
14. 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
15. Test for applicant using hand and foot controls. They use both hands to adjust pegs and foot to rotate the horizontal bar. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
16. Test for applicant where they are positioning knobs with both hands simultaneously. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
17. Rhythm test for applicant dropping a ball into a rotating turntable. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown