1. Oldest known lathe on the tomb of Petosiris circa 300 BCE Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Egypt Date: undated Format: Image Agent: unknown
2. Man using a broaching machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1948 Format: Image Agent: unknown
3. Machinist using a boring machine with water from faucet cooling the device. His supervisor, in a suit, looks over his shoulder. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
4. 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
5. 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
6. 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
7. 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
8. Close up of electronic milling tool cutting a bracket for an airplane propeller in Chicago Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Chicago, Illinois Date: undated Format: Image Agent: unknown
9. High-speed gear shaper made by Fellows Gear Shaper Company Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1922 Format: Image Agent: unknown
10. 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