| Year | 1925 |
| Date | 26-Nov |
| Volume | 53 |
| Issue | 1,283 |
| Page | 677 |
| Category | Domestic Engineering |
| Part | |
| Title | Practical Private Telephone Installations at Low Cost |
| Author | B.Clements Henry |
| Notes | The hand telephone itself, repeat work desirable, the metal casings, hardwood interior parts, making the electro-magnet, the bobbin, the winding, assembling the telephone |