1. Perspective view of Mr. Ducket's three furrow plough Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
2. Perspective view of Mr. Gee's six furrow plough Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1782 Format: Image Agent: unknown
3. Geometrical elevation of M. Makins' drain plough, views right and left. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1782 Format: Image Agent: unknown
