Shadow Metal Detector |
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This VLF induction balance metal detector has a ground balance mode, 3 TR discriminate modes, and push-button tuning. It was published in the March, 1980 issue if ETI, a popular electronics magazine that is owned by UK publisher Wimbourne Publishing, Ltd.
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Shadow Metal Detector (PDF-997K, 300dpi) Shadow Metal Detector (PDF-411K, 150dpi) |
Comments from people who have built this project:
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