1. Milling machine gear shaper cutter from the Cincinnati Milling Machine Company Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Cincinnati, Ohio Date: undated Format: Image Agent: unknown
2. Stamping press machine for parts in an automobile factory Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
3. Men working in a factory assembly line of roofs panels for automobiles Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
4. Two men stacking parts in an automobile factory Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
5. World's first automated construction assembly line of automobile frames by A.O. Smith Corporation Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Milwaukee, Wisconsin Date: 1921 Format: Image Agent: unknown
