Cornell University Library Digital Collections
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Subject
- Agricultural engineering7
- Agricultural machinery[remove]32
- Agricultural machinery industry1
- Agricultural processing1
- Agriculture3
- Agriculture and engineering1
- Blacksmithing1
- Electric welding1
- Electricity in agriculture1
- Farm buildings4
- Farm mechanization1
- Forestry engineering1
- Great Britain1
- Implements and machinery1
- Industrial arts1
- Maintenance and repair4
- Manual training2
- Study and teaching1
- United States2