| Year | 1916 |
| Date | 10-Aug |
| Volume | 35 |
| Issue | 798 |
| Page | 85 |
| Category | Electrical |
| Part | |
| Title | Low Voltage Electric Bulbs and their Use |
| Author | W.B.Davies |
| Notes | Shapes of lamp bulbs, shapes of low voltage lamp filaments, the use of low voltage lamp with a parabolic reflector |