| Year | 1922 |
| Date | 23-Feb |
| Volume | 46 |
| Issue | 1,087 |
| Page | 200 |
| Category | Radio Engineering |
| Part | 12 |
| Title | Wireless Notes |
| Author | A.V.Ballhatchet |
| Notes | A Valve Receiver. The complete valve receiving set, plan, connections of the portable set, an inductance spool, inductance holder, general arrangement, transformer, series-parallel switch, for aerial condenser, baseboard key plan |