1. 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
2. John Smeaton's boring machine, Carron Iron Works Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1769 Format: Image Agent: unknown
