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Subject
- Drafting and industrial drawings[remove]23
- Mechanical drawing20
- Architecture--Designs and plans--Working drawings14
- Agricultural instruments5
- Agricultural machinery--Design and construction5
- Mills and mill-work5
- Naval architecture4
- Naval architecture Designs and plans4
- Naval drafting4
- Canals--Design and construction3
- Architecture--Designs and plans1
- Bridges--Design and construction1
- Water levels1