BVWS Bulletin Volume 14, Number 4 (December 1989)
Front cover: A selection of crystal detectors / “Cat's Whiskers”.
| Page | Title | Summary/Notes |
|---|---|---|
| 44 | Detecting the Difference. Desmond Thackeray |
Testing some crystal detectors (Cat's Whiskers') for sensitivity. |
| 47 | Tuning-In Vintage Sounds (Part 2). Don Turner |
Further design notes on previously-presented micro-transmitters. |
| 48 | Headlines of 1923. Ray Herbert |
Some early achievements of Frederick Livingstone Hogg, call-sign G2SH. |