| Year | 1920 |
| Date | 29-Jan |
| Volume | 42 |
| Issue | 979 |
| Page | 99 |
| Category | Trade |
| Part | 5 |
| Title | Model Engineering Firms of Today |
| Author | |
| Notes | The Economic Electric Ltd.. A view of the main showroom at Fitzroy Square, branch premises at London Road Twickenham, manufacturing electric goods, the workshop at Fitzroy Square, the general office, the Economic headquarters |