Cornell University Library Digital Collections
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- speaking trumpet1
- Advertising1
- Animal-powered engines 1
- Archimedean screw 1
- Baroque 3
- Horse mills1
- Industrial Revolution3
- Lathes 2
- Machining2
- Metal-work3
- Perpetual motion1
- Roman times 1
- Screw-cutting machines5
- Screw-cutting machines 2
- Textile industry 2
- Textile workers1
- Thomas Blanchard1
- Woodwork5
- Woodwork 1
- airplane engines1