1. Test for inspecting pencils and sorting them into box with dividers. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
2. Right-right turning test of picking up screws and screwing them into a board. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
3. Pinboard test for employees before they work in a pencil factory. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
4. Spiral inspection designed to test inspection ability Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
5. 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
6. 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
7. 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
8. Visual perception test for applicant to identify dots that are off center in circles on a page. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
9. 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
