Homebrew radio crystal tester. From the home of a retired electronics technician comes this unique piece of test equipment. I am not familiar with this type of equipment, therefore I am unable to test. It is offered UNTESTED, AS-IS, without the possibility of refund or return. Please ask any and all questions BEFORE offerding. sale IS OPEN TO RESIDENTS OF THE CONTINENTAL UNITED STATES ONLY! Payment is due within 36 hours of sale close or item may be relisted. Anyone retracting a offer or non paying buyers will be reported to and permanently excluded from my sales. Please do not contact me with offers or otherwise attempt to subvert the sale. Items are for sale at prices indicated. Thanks for looking and best of luck.