MALLET, A.M. - De la Sphère. Figure III.

Appealing print focused on an armillary sphere. The latter is surmounted by a cartouche containing some angles in a cirle.
From the French text edition of Description d'Univers.. (5 volumes), 1683. By Allain Manneson Mallet (1630-1706), a well travelled military engineer and geographer who worked in 17th century France under King Louis XIV.