| Year | 1930 |
| Date | 13-Feb |
| Volume | 62 |
| Issue | 1,501 |
| Page | 153 |
| Category | Electrical |
| Part | |
| Title | Modern Electrical Installation Work |
| Author | Frederick H.Taylor |
| Notes | Lead-covered wiring, jointing and bonding, fixing the conductors, bending the conductors, to remove the sheathing, the bonding wire system, the earthing of metal work, how to earth, where to earth, let main earthing conductor be visible, earth to be used |