| Year | 1928 |
| Date | 26-Apr |
| Volume | 58 |
| Issue | 1,407 |
| Page | 402 |
| Category | Queries and Replies |
| Part | |
| Title | 2682. Arrangement of Small Lighting and Charging Switchboard |
| Author | P.R. |
| Notes | Connection diagram for lighting and charging switchboard, general arrangement of switchboard instruments |