Gerard Valk 1700 Circulus Saxoniae Superiori

Circulus Saxoniae Superioris Continens Ducatum et Electoratum Saxoniae, Marchionatum, Misniae, Landgraviatum, Thuringiae, c1700,

Gerard Valk, or Gerrit Leendertsz Valck (1652-1726) together with his son Leonard, were the only significant publishers of globes in the Netherlands in the eighteenth century, enjoying an almost total monopoly in the first half of the 1700's. Initially an engraver and art dealer, and having worked for map-sellers Christopher Browne and David Loggan in London between 1672 and 1679, Valk established the firm in Amsterdam in 1687. Initially, they published maps and atlases, but in 1700 the company moved the shop to the building previously occupied by map and globe-maker Jodocus Hondius. In 1701, he applied for a charter for making globes and the "Planetolabium", designed by Lotharius Zumbach de Coesfelt (1661-1727), an astronomy lecturer at Leiden University. The Valks produced several editions of 3, 6, 9, 12, 15, 18 and 24-inch diameter terrestrial and celestial globes. The cartography, as stated on the cartouche, is based closely on the celestial atlas Uranographia, published in 1687 by the celebrated Polish astronomer Johannes Hevelius (1611-1687).

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