TAP No.62 (Mar-Apr 1980)
Milo Fonebill's Automatic Blue Box Explained, Everything you always
wanted to know about 1633 Hz Tones But Were Afraid To Ask, Legal
Stones, Update on Manufacturing Seals
To download the file locally instead of viewing it here (or if you can't view it here but really love your antique browser), CLICK HERE to get the PDF.