see the items:

Collins Modification Compendium:
http://cgi.ebay.com/ws/eBayISAPI.dll...ry=46 71&rd=1

Gammatron tube data sheet:
http://cgi.ebay.com/ws/eBayISAPI.dll...ry=46 71&rd=1

CQ DX Manual by CQ Magazine 1st edition 1947:
http://cgi.ebay.com/ws/eBayISAPI.dll...ry=46 71&rd=1

First edition Ham Radio Magazine:
http://cgi.ebay.com/ws/eBayISAPI.dll...ry=46 71&rd=1

1963 40th Anniv. Radio Shack Catalog:
http://cgi.ebay.com/ws/eBayISAPI.dll...ry=46 71&rd=1

And many others: see the listings for my other auctions