| Year | 1937 |
| Date | 30-Sep |
| Volume | 77 |
| Issue | 1,899 |
| Page | 331 |
| Category | Petrol Engine Topics |
| Part | |
| Title | A Supercharger for 30 cc. Engines |
| Author | Edgar T.Westbury |
| Notes | Casing endplates, outside, sectional and inside elevations, setting jig to exact eccentricity, profile milling the ribs on endplates, machining casing, section and half end elevations, views ("Zoller") |