Alan WA9IRS alerted me to this technical treasure trove. Pete Millett is an engineer who, in his spare time, scans and uploads books about electronics that are no longer under copyright. Great stuff! Thanks Alan! Thanks Pete!
Tube Radios • Re: Super Duper 3-Tuber - would involve 13 Fahnestock clips. . .Or. . .13 / 6-32 machine screws,, 26 / 6-32 hex nuts, and 26 / #6 flat washers, made into homemade bindng postes. . ....
4 hours ago