Answer:
1.2 2. Invention: Stethoscope.
1.3 3. Invention: Matches.
1.4 4. Invention: Microphone.
1.5 5. Invention: Typewriter.
1.6 6. Invention: Sewing Machine.
1.7 7. Invention: Mechanical Reaper.
1.8 8. Invention: Corn Planter.
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