1. Man using a scraping tool to true the bore of a machine tool. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
2. Man's hand holding a caliper in from of a hobbing machine. Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
3. The So-Swing Lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
4. Cincinnati centerless grinder machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Cincinnati, Ohio Date: undated Format: Image Agent: unknown
5. Richard Robert's metal planer, built in 1817 Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1817 Format: Image Agent: unknown
