Radio Bygones No 11 Jun/Jul 1991. Radio Valves & Tubes Part 3 CV Equivalents. The Mysterious A J Alan. A Single Valve Loudspeaker Receiver. wet weather plastic sleeve inside an envelope with stiff cardboard.
Radio Bygones No 77 Jun/Jul 2002. Talking to Mosquitoes - WW2 OSS Covert Communications. My Favourite Dinosaur The Majestic 90. Restoring an Ekco PB505. The New Zealand ZC1 - Part 1. Contents Listed in Photo 2.