RADIESTHESIA is the general term for divination using a device such as a divining rod or pendulum. Other forms include “table tipping” which was practiced at the White House in the 19th century, the Ouija board, automatic writing (or superconscious writing), and scrying.
RHABDOMANCY is divination using a stick or wand. These methods were forerunners of the divining rod.
RHAPSODOMANCY is a means of divination using a book of poetry whereby the book is opened at random and a passage read.
