1. Arkwright's spinning machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: undated Format: Image Agent: unknown
2. Athanasius Kircherís speaking trumpet for broadcasting Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: 1650 Format: Image Agent: unknown
3. Water pump with perpetual motion Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: 1661 or 1662 Format: Image Agent: unknown
