tag:blogger.com,1999:blog-8234406140077819810.post1757860598131799764..comments2024-03-25T13:20:22.146-04:00Comments on Retrotechnologist: USEFUL LINKSRoberta Xhttp://www.blogger.com/profile/09956807794520627885noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-8234406140077819810.post-64108317405262876962011-03-06T00:02:24.439-05:002011-03-06T00:02:24.439-05:00Even a lot of older people who understand tube cir...Even a lot of older people who understand tube circuits fail to make the connection between "B+" and "B Batteries"!drjimhttps://www.blogger.com/profile/05647484115197408897noreply@blogger.comtag:blogger.com,1999:blog-8234406140077819810.post-61469657858578871762011-03-05T11:28:12.839-05:002011-03-05T11:28:12.839-05:00Just try to explain to kids today about "A&qu...Just try to explain to kids today about "A" and "B" batteries...Dranghttps://www.blogger.com/profile/08082177597135236652noreply@blogger.com