Dear Geotech Friends,
First of all I would like to thank Mr. Overton for being so kind to let me publish this little ads.
I'm Leonardo Ciocca, author of "Teoria e Tecnica Avanzata del Metal Detecting", an Italian book that became a reference text for Italian speaking...
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BOOK - How to build your own metal and treasure locators by F.G.Rayer
Another book from the seventies, a first print from 1976, this time from the UK. Cover here --->
No surpise, all detectors in this book are simple BFO types which operate at about 300-500 kHz. Here's the contents table:
Introduction..................................7
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BOOK - How to build Metal/Treasure Locators by Robert&John Traster
Bought this book very cheap on ebay, it is a first edition from 1977. All projects on this book are BFO types, from a one transistor detector combined with a radio to a more sophisticated transmitter - receiver detector with 2 separated coils a few feet apart. The book also describes operation of the...