49. Chart depicting scores of department store saleswomen in Minneapolis and St. Paul regarding personality and ability. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Location: Minneapolis, Minnesota St. Paul, Minnesota Date: undated Format: Image Agent: unknown
50. Gridley multiple spindle automatic machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
51. Portrait of a middle-aged man in regards to man's development. Artist is Carl Bohnen, 1871-1951. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
52. Cincinnati centerless grinder machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Cincinnati, Ohio Date: undated Format: Image Agent: unknown
53. The image shows various machining processes, highlighting the movement of the tool and workpiece in each. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
54. Large group of workers standing in front of steam power plant equipment. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
55. Gear Shaper Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
56. Wood turner's workshop with pole lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: undated Format: Image Agent: unknown
57. Disassembled M1903 Springfield rifle Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Springfield, Massachusetts Date: undated Format: Image Agent: United States Armory, Springfield, Mass.
58. Geometric design test for employee for shape recognition. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
59. Organization chart of the Associated Gas and Electric Empire showing holding companies and capital structure. Collection: Early 20th Century Engineering Lantern Slides Set: Organization Date: undated Format: Image Agent: unknown
60. Manual dexterity test for female worker. Arrows point to the direction of movement. The washers are removed and reattached to the pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
