61. Motorized turret lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Pawtucket, Rhode Island Date: undated Format: Image Agent: unknown
62. 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
63. Eight pictures of one man in suit and tie making various small gestures. Includes head whereas image #391 does not. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
64. Drawings of the faces of Michelangelo and Alexander von Humboldt and a 3rd person. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
65. 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
66. Drawings of two men, labelled angle-line and dot-line, with a graph mapping to personality traits. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
67. 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
68. Drawing of man illustrating "will regions" Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
69. 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
70. Typical losses in an oil-fired marine boiler Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
71. Refractory furnace linings compared between the navy and merchant installations Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
72. Comparison of 2 stud tube division walls - single vs double uptake divided furnace boilers Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
