| Year | 1937 |
| Date | 16-Sep |
| Volume | 77 |
| Issue | 1,897 |
| Page | 283 |
| Category | Petrol Engine Topics |
| Part | |
| Title | A Supercharger for 30 cc. Engines |
| Author | Edgar T.Westbury |
| Notes | Dismantled showing Elektron casing, a simple free-vane type rotary blower, types of rotary supercharger, the "Zoller" type, controlled-vane blowers, machining components of model supercharger |