Cornell University Library Digital Collections
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- speaking trumpet1
- Animal-powered engines 1
- Archimedean screw 1
- Baroque 3
- Cost and standard of living2
- Employee selection1
- Horse mills1
- Household economics 1
- Industrial Revolution3
- Lathes 2
- Metal-work3
- Perpetual motion1
- Textile industry 1
- Textile workers1
- Woodwork2
- Woodwork 1
- cost of living 2
- counterweight 1
- dependents 1
- discrimination2