[Test-Equipment] Reference info

[David DiGiacomo]

>In case this site has not been mentioned before, I'll pass this along 
>for reference information. This site has a wealth of info about various 
>subjects, of special note here is the wealth of military manuals 
>available for various electronic equipment, for instance, here is the 
>page for the Tektronix 475 (plus DM44 options):
>http://www.tpub.com/content/oscilloscopes/TM-11-6625-2735-24P-1/

Is there anything on this site that's not available on logsa.army.mil ?