Anyone collect railroad memorabilia? I have an old railroad signal rectifier that converts 110 AC to DC. from 6 volt DC to 20 volt DC. I have used this to charge and equalize batteries. It works fine. Looked on EBAY and someone has a similar item listed for $85.00. This free for the asking with local pickup in Guthrie, OK Getting rid of stuff I don't use or need. PM if interested! Thanks!