1981 - Volume #5, Issue #5, Page #7
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Metal Detector
A new tractor-mounted metal detector introduced by the Wigley Co. will detect most metal objects on, in or under the swath.
The side-mounted detector is tied to a control unit inside the cab. The instant the arm passes over a piece of metal, an audible alarm sounds inside the cab. Traveling at 4 mph, the operator..........


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1981 - Volume #5, Issue #5