Electronic Prospecting with the VLF/TR Metal/Mineral Detector

Description

Several black and white photos. An American book on using a metal detector.

Note: Text body is clean, and free from previous owner annotation, underlining and highlighting. Binding is tight, covers and spine fully intact. No foxing but slight marks at fold from the staples. Edges browned. Card covers have some slightly bumped corners and a few dirty marks and spots.