401. Photographs showing on a Tuesday assembly line and loading for delivery of motors being created for Ford automobiles. Collection: Early 20th Century Engineering Lantern Slides Set: Growth Location: Detroit, Michigan Date: undated Format: Image Agent: unknown
402. Model A Ford on assembly line completed Collection: Early 20th Century Engineering Lantern Slides Set: Growth Location: Detroit, Michigan Date: undated Format: Image Agent: unknown
403. Photograph showing how an automobile can make turns to form a circle. Collection: Early 20th Century Engineering Lantern Slides Set: Growth Date: undated Format: Image Agent: unknown
404. Four photographs of men measuing various parts of an automobile. Collection: Early 20th Century Engineering Lantern Slides Set: Growth Date: undated Format: Image Agent: unknown
405. Men inside automobile "listening in" for car noises Collection: Early 20th Century Engineering Lantern Slides Set: Growth Date: undated Format: Image Agent: unknown
406. Anatomical drawing to indicate location of principal endocrine grands. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
407. Effect of noise vs. quiet on the ability to work. The woman typist is wearing a mask under quiet and noisy conditions ; her breath is monitored by a man who is taking notes. Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
408. Thornycroft boiler Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
409. Yarrow steam boiler Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Location: unknown Date: undated Format: Image Agent: unknown
410. Water-tube boiler Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown