NAIL FINDER
xx METAL DETECTOR
xx NAIL
Simple gadget for detecting hidden ferrous metal in recycled lumber relies on strong rare earth magnets. CANADIAN HOME WORKSHOP May 2002 (v.25#7) pg. 14
Experimenting with Hall-effect devices, the principal solid-state sensors of magnetic fields. MODERN ELECTRONICS [2] Sep 1987 (v.4#9) pg. 72
Tip: How to use a magnet to find hidden nails in old lumber. NATIONAL CARVERS REVIEW Fall 1978 (v.9#3) pg. 32
Metal locator will determine the exact location of ferrous or non-ferrous metals at a distance up to 2". Useful for locating hidden nails in walls, boats, etc. Est. cost: $10. POPULAR ELECTRONICS [1] Sep 1969 (v.31#3) pg. 69
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