61. Where accidents strike - picture of man with percentages next to parts of body. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Safety Date: undated Format: Image Agent: unknown
62. Multiple spindle verticle lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
63. 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
64. 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
65. 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
66. 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
67. Two photographs of two pairs of hands, one with palms facing inward, the other palms facing outward. Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
68. Factory building steam boiler engines for ships, multiple engines and steering wheels are shown. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
69. Man operating a jig borer at Consolidated Aircraft, San Diego, CA Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Location: San Diego, CA Date: undated Format: Image Agent: unknown
70. Machine which drills holes into aircraft engine crankcases. Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: Pratt & Whitney Aircraft
71. View inside a machine shop of two telemotors with steering gear wheels (rams) to be installed on ships. Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
72. Steering gear wheel (ram) and telemotor installed on ship Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown