12mo. [12], 164, [4], 23pp, [1]. Contemporary blind-tooled sheep, contrasting red morocco lettering-piece. Extremities marked and worn, loss to head and foot of spine and lettering-piece.

An early eighteenth-century Oxford-printed edition of Danish physician and polymath Caspar Bartholin's (1655-1738) natural philosophy primer for young academics, the latter part of which focuses solely on the source of rainfall. Scion of a famous family of doctors and natural philosophers, Bartholin is primarily remembered for his contributions to the field of anatomy.