04-02-2016, 08:30 AM
Here's one on this web site that may help. <!-- m --><a class="postlink" href="https://en.wikipedia.org/wiki/Swift_Refrigerator_Line#/media/File:Wood_reefer.jpg">https://en.wikipedia.org/wiki/Swift_Ref ... reefer.jpg</a><!-- m -->
Charlie
Charlie