169. Gear shaper made by Milwaukee Tool Company Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Milwaukee, Wisconsin Date: undated Format: Image Agent: unknown
170. Cincinnati centerless grinder machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Cincinnati, Ohio Date: undated Format: Image Agent: unknown
171. 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
172. 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
173. Multiple spindle verticle lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
174. 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
175. 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
176. 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
177. 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
178. Faces of mathematical prodigies Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
179. 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
180. 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
