| Year | 1924 |
| Date | 14-Aug |
| Volume | 51 |
| Issue | 1,216 |
| Page | 171 |
| Category | Electrical |
| Part | |
| Title | Simple Points on Electrical Testing and Electric Testing Instruments |
| Author | G.Gentry |
| Notes | Linesman's detector, diagram of the bridge setting, simple substitution test, apparatus, galvanometers & moving coil instruments, P.O. pattern horizontal galvanometer for bridge testing, moving coil instruments, 1,000 ohm coil of insulated resistance wire, resistance boxes and coils, mounting and winding non-inductive resistances, plugged resistance box, circular pattern P.O. resistance boxes |