| Year | 1906 |
| Date | 27-Dec |
| Volume | 15 |
| Issue | 296 |
| Page | 608 |
| Category | Electrical |
| Part | |
| Title | Some Accurate Electrical Measuring Instruments |
| Author | V.W.Delves-Broughton |
| Notes | A Reflecting Galvanometer. Studs for standing instrument upon, telescope illuminated needle point, scale & clamps, to adjust height of telescope, sliding diaphragm & needle point, baseboard |