| Electricity
and Magnetism > Electric Fields and Potential > Electric
Potentials |
DCS# 5B30.60 |

| Wimshurst machine | 202-18-E |
| smoke precipitator |
202-18-A |
| match book |
202-18-E |
| touch paper |
202-11-E6 |
| video
camera |
202-09-D |