오래된 잡지 링크

* Popular Electronics

1)   http://www.rfcafe.com/references/popular-electronics/high-power-crystal-set-august-1960-popular-electronics.htm 

2)   http://home.gwi.net/%7Ejdebell/pe/PEIntro.htm

3)   http://chapter36.org/members/popular_electronics.html

4)  http://www.rfcafe.com/references/popular-electronics/vintage-popular-electronics-magazine-articles.htm   (<---  High Power Crystal Set By Walter B. Ford)

* Popular Mechanics

http://books.google.co.kr/books/about/Popular_Mechanics.html?id=49gDAAAAMBAJ&redir_esc=y 

* Popular Science

http://books.google.com/books?id=qR8DAAAAMBAJ 

http://www.popsci.com/archives (now need to sign up?)

* Radio Electronics

http://www.swtpc.com/mholley/RadioElectronics/Radio_Electronics.htm

 (수정 14년 3월 30일)

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