1. Drawings of three heads linking shape of head to various personality characteristics. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
2. Drawings of three faces side profile. Labelled convex, plane, and concave. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
3. Drawings of multiple faces labeled convex to concave, mapped to personality traits. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
4. Drawing of man illustrating "will regions" Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
5. Drawings of two faces with labels on chin and jaw. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
6. John Smeaton's boring machine, Carron Iron Works Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1769 Format: Image Agent: unknown
7. Two Cincinnati super-service upright drills Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Cincinnati, Ohio Date: undated Format: Image Agent: unknown
8. Faces of mathematical prodigies Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
9. Two illustrations showing nasolabial fold Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: Bohnen, Carl A., 1872-1951
10. Two drawings upper lip and corner of mouth Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
11. Drawings of two boys by Carl Bohnen. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
12. Drawing of one face with labels on chin, jaw, and cheek. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
