| Year | 1911 |
| Date | 26-Oct |
| Volume | 25 |
| Issue | 548 |
| Page | 389 |
| Category | Electronic |
| Part | |
| Title | A Three-Circuit Inductive Tuning Apparatus for Wireless Telegraphy |
| Author | G.G.Blake |
| Notes | With description of Experimental Wireless Station at Richmond. Wooden framework of three-coil tuning inductance, section of framework, construction of condenser, group of wireless telegraphic apparatus, connections, general view of coils, transmitting inductances & coil condenser, transmitting connections, apparatus for producing undamped waves for wireless telegraphy & telephony, diagram of aerial |