| Year | 1907 |
| Date | 07-Feb |
| Volume | 16 |
| Issue | 302 |
| Page | 130 |
| Category | Electrical |
| Part | |
| Title | Some Accurate Electrical Measuring Instruments |
| Author | V.W.Delves-Broughton |
| Notes | Wheatstone Bridge and Resistance Boxes. Test table with reflecting galvanometer, scale metre bridge & resistance box, details |