Cornell University Library Digital Collections
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- speaking trumpet1
- Archimedean screw 1
- Baroque 1
- Industrial Revolution3
- Lathes 1
- Machining2
- Metal-work2
- Perpetual motion1
- Roman times 1
- Screw-cutting machines5
- Screw-cutting machines 2
- Textile industry 1
- Textile workers1
- Thomas Blanchard1
- Woodwork3
- Woodwork 1
- airplane engines1
- airplane industry 1
- ancient1
- automatic 3