How a Bovis reading is made

In dowsing, a Bovis scale is a numbered chart used to interpret a pendulum’s movement. A practitioner may hold the pendulum over the chart while focusing on an object—such as a leaf of lettuce—and treat its swing or direction as a reading of that object’s vitality. The number is then understood within the practice as an indication of “life force,” not as a measurement produced by weighing or testing the plant.

What the number means to practitioners

The scale gives a way to compare things in the language of radiesthesia, a practice that uses dowsing to assess qualities believed to be present but not directly visible. A fresh leaf and a wilted one might be assigned different readings, making the chart a tool for expressing an intuitive judgment about their condition.

That distinction matters: a Bovis reading reflects the practitioner’s interpretation of pendulum movement, not a standardized biological reading of lettuce. It can be meaningful within the practice without being treated as a scientific measure of plant health. The striking idea is that, on this scale, a leaf’s apparent freshness becomes a number meant to represent an invisible quality.