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Looking for a user manual.found the circuit digram on BAMA,been looking with no luck, This is a HEATH O Scope model IO-12 made from 1962-68 i think... thanks for the help,....
Try giving Ron at RTO Electronics a call or an e-mail. He might be able to help you in finding one. Click here:http://www.rtoham.com/html/heathkit.html
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