B&K Transistor Tester 520B with the manual

B&K Transistor Tester 520B with the manual (image 1/[null, null, null, null])
B&K Transistor Tester 520B with the manual (image 2/[null, null, null, null])
B&K Transistor Tester 520B with the manual (image 3/[null, null, null, null])
B&K Transistor Tester 520B with the manual (image 4/[null, null, null, null])
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Up for auction is a B&K 520B Transistor Tester, it comes with the instruction manual. I don't know anything else about this, but I did plug it in and various lights came on. It is used for in-circuit and out-of-circuit transistor testing, with special features for making additional tests on devices out-of-circuit. We are finally emptying out my Father's work room, which includes many pieces of electronic test equipment. He was a ham operator since the 50's, he owned a Radio Shack Associate store and did repair of equipment in the 70's and 80's. They added a small room onto the house which had his workbench, and most of this stuff has been in this unheated room for many years before he died and in the last four years since he died. (All as he left it, waiting for him to come back and finish what he was doing.) Close ups in my pictures can best describe the condition. There is rust on the top. If you have any questions, please ask before bidding. This is being sold as is. Thanks for looking.
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