1. Two men installing parts into high-speed gear shapers at Fellows Gear Shaper Company "Battery installation" refers to the assembly, like a battery of guns in artillery. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Springfield, Vermont Date: undated Format: Image Agent: unknown
2. Mill-worker operating circular saw to cut super-chargers for airplane engines at Packard Motor Company. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
3. Gear-shape cutter generating teeth in blank metal circle at Fellows Gear Shaper Company Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Springfield, Vermont Date: undated Format: Image Agent: unknown
4. 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
5. Super-draft roving frames for automatic spinning Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
6. 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
7. Single spindle machine with motor drive Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
8. Vertical, multi-spindle automatic lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
9. Photograph of factory where 10,000 automobile frames a day are manufactured using automation. Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Location: Milwaukee, WI Date: undated Format: Image Agent: unknown