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Four parts in one. [lvi], 439, [1], [x], 231 pp. (4to) 18.5x14 cm (7¼x5½") period calf with later rebacking. First Edition.

A collected edition of the author's chief works, each part with a separate title page. "Sir Kenelm [Digby] was a sometime privateer, politician, traveler, linguist, scientist, and wealthy social climber. He received considerable publicity and fame by advocating his "Powder of Sympathy" which is described in the present work. According to Digby, as a young man in Florence he was entrusted with the secret of the healing powder by a Carmelite friar who had learned its preparation and use in the Orient. The powder was nothing more than vitriol (copper sulphate) which Digby claimed possessed the power to heal wounds at a distance. He explained that a dressing or bandage containing the blood of the afflicted person was to be soaked in a solution of the powder and then left to dry in the sunlight. The sun withdrew the healing properties of the vitriol and blood, and together they were transported to the wounded parts which were then rapidly healed. To prove the efficacy of his remedy, a number of incidents of healing were related." - (Heirs of Hippocrates). Wing D1445