73. No 3. Duplex milling machine by Garvin Machine Company Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
74. Single spindle machine with motor drive Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
75. Multiple spindle drill press Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Date: circa 1930 Format: Image Agent: unknown
76. Broaching machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
77. Transmission of an automobile with two-speed gearset. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
78. Core for engine, possibly for airplane Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
79. Maudslay's screw-cutting lathe circa 1800 Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Unknown Date: 1800 Format: Image Agent: unknown
80. Maudslay's screw-cutting lathe circa 1797 Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Unknown Date: 1797 Format: Image Agent: unknown
81. Joseph Whitworth & Co. self-acting foot lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Unknown Date: 1862 Format: Image Agent: unknown
82. William Muir & Co. self-acting foot lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Unknown Date: 1862 Format: Image Agent: unknown
83. Monarch Magna-matic lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Sidney, Ohio Date: undated Format: Image Agent: unknown
84. Various thread counts on metal studs and screws with time it takes to create them. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
