Principles & Practice of Radiesthesia by Abbé Alexis Mermet (author), Mark Clement (translator) Principles & Practice of Radiesthesia is a vital background resource for students and practitioners of radionics, earth energy, dowsing and physical radiesthesia. Mark Clement’s English translation of this 1935 French work is a classic. This is the essential theory on the nature … Continue reading Principles & Practice of Radiesthesia