Cleaned house (and my desktop) to discover this post-ready (Photoshopped) RIAA (Recording Industry Association of America) Technical Data explanation guide. Circa: 1960-ish, the technical readout to this battle station, er, hi-fi record is sure to massage all your audiophile (nerdy) needs.
The Prudent Groove 
Some good music can be found on these budget rack records….if you can get past the crummy vinyl.