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1620 Gerard Mercator

Finely colored example of Mercator's detailed map of the northern Baltic region.

The map is centered on Rigo and extends south to Memel, west to Poland and part of Russia and north to the the Strait between Finland and Latvia, with Stockholm and Gotland shown.

Decorative cartouche.

Condition Description
Old Color.
Henricus Hondius Biography

Henricus Hondius (1597-1651) was a Dutch engraver and mapmaker, a member of a prominent cartographic family. His father, Jodocus Hondius, was also an engraver and geographer. While working with his father, Henricus was instrumental in the expansion and republishing of Mercator’s atlas, first published in 1595 and republished by Hondius in 1606.   

Upon his father’s death in 1612, Henricus and his brother, Jodocus the Younger, took over the business. He set up his own shop in 1621, where he continued to release new editions of the Mercator atlas. Later, he partnered with his brother-in-law, Jan Janssonius, in continuing to expand and publish Mercator’s atlas, which would become known as the Mercator-Hondius-Janssonius atlas. Born and based in Amsterdam, he died there in 1651.

Gerard Mercator Biography

Gerard Mercator is one of the most famous cartographers of all time. Mercator was born in Flanders and educated at the Catholic University in Leuven. After his graduation in 1532, Mercator worked with Gemma Frisius, a prominent mathematician, and Gaspar a Myrica, a goldsmith and engraver. Together, these men produced globes and scientific instruments, allowing Mercator to hone his skills.

With his wife, Barbara, Mercator had six children: Arnold, Emerentia, Dorothes, Bartholomeus, Rumold, and Catharina.  In 1552, Mercator moved to Duisburg from Leuven, where he lived for the rest of his life. In 1564, he was appointed the official cosmographer to the court of Duke Wilhelm of Cleve.

Mercator’s most important contribution was the creation and popularization of a projection which now bears his name. On Mercator projection maps, all parallels and meridians are drawn at right angles to each other, with the distance between the parallels extending towards the poles. This allowed for accurate latitude and longitude calculation and also allowed navigational routes to be drawn using straight lines, a huge advantage for sailors as this allowed them to plot courses without constant recourse to adjusting compass readings.

Mercator’s other enduring contribution to cartography is the term “atlas”, which was first used to describe his collection of maps gathered in one volume. The Mercator atlas was published in 1595, a year after Mercator’s death, thanks to the work of his sons, particularly Rumold, and his grandsons.