| Year | 1905 |
| Date | 14-Dec |
| Volume | 13 |
| Issue | 242 |
| Page | 576 |
| Category | Answers to Correspondents |
| Part | |
| Title | See "Telegraphy" by Sir W.H.Preece, "Telephones: Their Construction and Fitting" by Allsop, "Telegraphist's Guide" by Bell and Wilson, apply Gresham College |
| Author | S.H. |
| Notes |