3385. Man using a broaching machine on milled parts, which are on display. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
3386. Man in suit examining part created by a broaching machine. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
3387. Multiple spindle verticle lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
3388. Arms and shoulders convey expression, too. Try your skill at reading these. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
3389. Four pictures of one man's face with expressions above nose and mouth. Middle is blackened. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
3390. Face of two men next to personality traits. One signed H.B.F.; the other E.E.L. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
3391. Four pictures of man's face with expressions above nose and mouth. Middle is blackened. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
3392. Faces of mathematical prodigies Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
3393. 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
3394. Eight photographs of man's face with different expressions. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
3395. Drawings of two boys by Carl Bohnen. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
3396. 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
