02-17-2014, 10:09 AM
That is a very good reference and if you're patient they'll show up on eBay or AbeBooks.com at a reasonable prices. These were published from about the 40's - 60's so the later editions cover FM and perhaps transistors. The version I'm familiar with is from 1947.
See the post above for the link to a free 6 part download in PDF if you want to preview it before buying a hard copy.
See the post above for the link to a free 6 part download in PDF if you want to preview it before buying a hard copy.
John KK4ZLF
Lexington, KY
"illegitimis non carborundum"