Hickok Tube Tester Modell 600A For Sale

Hickok Modell 600A Dynamic Mutual Conductance tube tester. Rolling tube chart missing, no instructions included, meter clear, plugged in no lights, not sure how this item works, so not sure if they are supposed to be on. Case is solid, the fabric cover has some tears, hinges and latches all work great.Another item from the ill repairman\'s lot. Paypal payments only!! NO International shipping. Payment must be made in 3 days or item relisted. Thanks for looking!!