2. Bifocals
3. The glass armonica
4. The Franklin stove
5. The library stepstool, a chair whose seat could be lifted and folded down to make a short ladder.
(Also a mechanical arm for reaching books on high shelves)
6. The rocking chair
7. The writing chair
8. The odometer
9. A pulley system that enabled him to lock and unlock his bedroom door from his bed
10. The flexible urinary catheter.
(Also a mechanical arm for reaching books on high shelves)
6. The rocking chair
7. The writing chair
8. The odometer
9. A pulley system that enabled him to lock and unlock his bedroom door from his bed
10. The flexible urinary catheter.
