| Year | 1939 |
| Date | 14-Sep |
| Volume | 81 |
| Issue | 2,001 |
| Page | 337 |
| Category | Electrical |
| Part | 1 |
| Title | How Electricity is Measured |
| Author | H.Chapman Pincher |
| Notes | The Coulomb and the Ampere. An atom of hydrogen, the electron revolves around the proton, copper deposition |