| Year | 1915 |
| Date | 01-Jul |
| Volume | 33 |
| Issue | 740 |
| Page | 18 |
| Category | Electronic |
| Part | |
| Title | A Wax-Sealed High-Tension Condenser |
| Author | Ernest J.Thwaites |
| Notes | The condenser complete, marking outv the metal sheets for the container, the zinc plates, arrangement of plates, plan showing position of terminals, showing condenser sealed in metal container & lid, etc., fitted |