National SW-3 and Indoor Loop Antenna?

http://makearadio.com/index.php Check out Dave, N2DS’s web site – its really awesome. He has built quite a few loop antennas and many crystal radio sets. I purchased this piece of vintage test gear a few months back Late last year I purchased two vintage pieces of test gear – and I had fancied using the case to build a Paraset like “Spy Radio”. I might…