1. Ezra Cornell Correspondence: August 18, 1842 - January 31, 1843 (Box 1/Folder 6) Collection: Ezra Cornell Papers Date: August 18, 1842 - January 31, 1843 Format: Folder
2. Ezra Cornell Correspondence: August 24, 1843 - February 5, 1844 (Box 1/Folder 8) Collection: Ezra Cornell Papers Date: August 24, 1843 - February 5, 1844 Format: Folder
3. Ezra Cornell Correspondence: August 10, 1844 - September 25, 1844 (Box 2/Folder 2) Collection: Ezra Cornell Papers Date: August 10, 1844 - September 25, 1844 Format: Folder
4. Plough (plow) driven by oxen in Roman times Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
5. Photograph showing a large machine plowing a field in California. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
6. 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
7. 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
8. 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
