| Year | 1915 |
| Date | 24-Jun |
| Volume | 32 |
| Issue | 739 |
| Page | 523 |
| Category | Electrical |
| Part | |
| Title | A Small Experimental Switchboard |
| Author | H.G.Bishop |
| Notes | A corner of workshop showing switchboards in position, the motor control board, the charging board, diagram showing connections of the motor control & charging boards, another corner of the workshop, the automatic circuit breaker |