Here is a place to look

Posted by MWG [ 209.216.179.83 ] on January 26, 2006 at 19:38:38:

In Reply to: KLH Model 8 & 13 serial # data wanted posted by Andrew on January 26, 2006 at 17:45:08:

Unless you've already been there They have a file you can download that has pictures and descriptions of the vintage KLH products.