| Year | 1950 |
| Date | 26-Oct |
| Volume | 103 |
| Issue | 2,579 |
| Page | 623 |
| Category | Domestic |
| Part | |
| Title | Making Aquarium Accessories |
| Author | A.R.Turpin |
| Notes | The immersion heater, materials, out of sight, the thermostat, aerator, the vibrator pump, winding the coil, faults, the motor pump, hysteresis motors |