37. Plough (plow) driven by oxen in Roman times Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
38. Woman weaving yarn at loom into cloth in the Philippines Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Philippines Date: undated Format: Image Agent: unknown
39. Threshing machine which separates seeds from stalks. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
40. The So-Swing Lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
41. Wide view of the factory of A. O. Smith Corporation with automatic riveters and nailing machines. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Date: undated Format: Image Agent: unknown
42. Turning lathe formerly belonging to Charles Babbage Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: South Kensington Museum, London, England Date: undated Format: Image Agent: unknown
43. Typical single spindle Gardner grinder, no. 7 1/2 Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Beloit, Wisconsin Date: undated Format: Image Agent: unknown
44. 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
45. Universal multiple drill machine, drilling both horizontal and vertical Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
46. Automatic lathe by Jones and Lamson, front view Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Springfield, Vermont Date: undated Format: Image Agent: unknown
47. Man using a broaching machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1948 Format: Image Agent: unknown
48. Double spindle machine or gear tooth chamfering machine by W. C. Lipe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1918 Format: Image Agent: unknown
