BVWS Bulletin Volume 14, Number 4 (December 1989)

BVWS BulletinVolume 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.