| Year | 2005 |
| Date | 05-Aug |
| Volume | 195 |
| Issue | 4,253 |
| Page | 149 |
| Category | Electrical |
| Part | 10 |
| Title | Electro-Pneumatic Contactors |
| Author | Colin Beckwith |
| Notes | Arc chute description. Outer guard plates, blow out cheeks, pole pieces, blow out coil core, threads & fasteners, fasteners in service & identification, material supply, material dilemma, drawing production, notes on CAD, drawing format, conclusion |