Public domain. Cover image from Project Gutenberg ebook #27327.
Agricultural Implements and Machines in the Collection of the National Museum of History and Technology / Smithsonian Studies in History and Technology, No. 17
章节(7)
- Agricultural Implements and Machines in the Collection of the National Museum of History and Technology 0:00
- Agricultural Implements and Machines: in the Collection of the: National Museum of History and Technology 0:13
- Agricultural Implements and Machines in the Collection of the National Museum of History and Technology: Introduction 2:21
- The Use of Farm Machinery in America 7:40
- Catalog of Agricultural Implements and Machines in the Collection 24:48
- Index to the Catalog 3:09:18
- Publications on Farming by the Staff of the Division of Agriculture and Mining, 1965-1971 3:34:55