301. Man standing near giant lathe for machining large metal objects. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
302. Threshing machine which separates seeds from stalks. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
303. Pole lathe in South Kensington Museum Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: South Kensington Museum, London, England Date: undated Format: Image Agent: unknown
304. 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
305. Chart comparing output, intelligence and boredom of factory workers with superior intelligence. Work includes chocolate packaging and soap wrapping, inserting, and winding. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
306. 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
307. Chart comparing output, intelligence, and boredom of factory workers with inferior intelligence who perform soap wrapping and chocolate packing. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
308. Historical visual chart from the Philadelphia Electric Company, used for reporting performance on clerical aptitude and proficiency tests. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
309. Humorous cartoon of a doctor measuring a person's head with a compass. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
310. Chart illustrating the relationship between mental age and occupation Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
311. 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
312. Portrait of a young 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