| Year | 1903 |
| Date | 22-Jan |
| Volume | 8 |
| Issue | 91 |
| Page | 76 |
| Category | Electrical |
| Part | |
| Title | The Construction of a "Wheatstone Bridge," and an Astatic Galvanometer |
| Author | Geo. R.Grieve |
| Notes | Brass studs, static galvanometer, key details, levelling screws, spool, top crossbar, levers, astatic galvanometer |