Articles
"The Breting 12 Receiver" by Joe Patrick
Little did I realize the journey I was about to take from simply reading an online craigslist© ad – it was an estate-sale advertisement
for liquidating the contents of a once very active Pittsburgh-area electronic repair shop....
My Breting 12 purchase is a big, heavy, solidly-constructed 50+-pound receiver with an 18-gauge chrome-plated chassis
and transformers, and highly-polished Aluminum tube shields – similar in design to Scott’s and other high-quality receivers
of the time. The Breting 12 offered 550Kc to 32,000Kc 5-band reception using 12 tubes, dual panel meters and a
THE MYSTERY CRYSTAL SET by Joe Patrick
A few months ago, I was asked by Chris Wells, PARS President, if I
would be interested in “coming up” with a club “construction project”.
Something simple and safe, such as a regenerative receiver, low-voltage
“Space Charge” receiver or self-powered crystal radio set.
One unique crystal radio design in particular has held my interest for
several years now. I stumbled upon it on the Internet and have since
wanted to build and experiment with it. That circuit is known worldwide
as the “Mystery Crystal Set” of Australia.