John Melville, Crystal-Gazing and the Wonders of Clairvoyance

John Melville wrote this popular guide in the late 19th century, as interest in crystallomancy increased. He recommended taking ‘an infusion of the herb Mugwort or of the herb Succory’, which, ‘if taken occasionally during the Moon’s increase would constitute an aid to the attainment of the most desirable physical conditions of the experimenter’s body.’ It is unclear how far Melville’s instructions helped those not gifted with Second Sight. Shown here: front cover