SÖK KARTOGRAFER, GRAVÖRER M.FL.

Frisius, Gemma. [Reinerszoon, Jemme.]

9 december 1508 - 25 maj 1555.
Gemma Frisius was a physician, mathematician, cartographer, philosopher, and instrument maker. He created important globes, improved the mathematical instruments of his day and applied mathematics in new ways to surveying and navigation.
Frisius was born in Dokkum, Friesland (present-day Netherlands) of poor parents, who died when he was young. He moved to Groningen and studied at the University in Leuven beginning in 1525. He received the degree of MD in 1536 and remained on the faculty of medicine in Leuven for the rest of his life. His oldest son, Cornelius Gemma, edited a posthumous volume of his work and continued to work with Ptolemaic astrological models.
While still a student, Frisius set up a workshop to produce globes and mathematical instruments. He became noted for the quality and accuracy of his instruments, which were praised by Tycho Brahe, among others. In 1533, he described for the first time the method of triangulation still used today in surveying. Twenty years later, he was the first...
Bland arbeten.
(Cosmographia (1529) von Petrus Apianus, annotated by Gemma Frisius)
De principiis astronomiae et cosmographiae (1530)
De usu globi (1530)
Libellus de locorum describendorum ratione (1533)
Arithmeticae practicae methodus facilis (1540)
De annuli astronomici usu (1540)
De radio astronomico et geometrico (1545)
De astrolabio catholico (1556)

DONCKER, HENDRICK.

Ca. 1664-1721.
Holländsk bokhandlare, son till Hendrick Doncker (se denne).

Roggeveen, Arent.

fl. 1665-79.
Roggeveen was a land surveyor and mathematician by profession, working in Middelburg where the Dutch East and West India Companies maintained collections of hydrographic manuscripts and charts, including Spanish portulans of the West Indies. No doubt through contacts there Roggeveen became interested in navigation and he compiled a pilot book of largescale charts of the West Indies and parts of the American coasts, with a second volume of the coasts of West Africa. These were the first such charts printed in Holland.

Ingermanlandiae – Homanns Erben 1734

Sumpnoppa, Gnaphalium Uliginosum L - Lindman, C. A. M, Bilder ur Nordens Flora 1917-26.

Covens et Mortier

Biografiska uppgifter:1721 - ca 1862.
The Amsterdam publishing firm of Covens and Mortier (1721 - c. 1862) was the successor to the extensive publishing empire built by Frenchman Pierre Mortier (1661 - 1711). Upon Mortier's death in 1711 his firm was taken over by his son, Cornelius Mortier (1699 - 1783). Cornelius married the sister of Johannes Covens (1697 - 1774) in 1821 and, partnering with his brother in law, established the Covens and Mortier firm. Under the Covens and Mortier imprint, Cornelius and Pierre republished the works of the great 17th and early 18th century Dutch and French cartographers De L'Isle, Allard, Jansson, De Wit, and Ottens among others. They quickly became one of the largest and most prolific Dutch publishing concerns of the 18th century. The firm and its successors published thousands of maps over a 120 year period from 1721 to the mid-1800s. During their long lifespan the Covens and Mortier firm published as Covens and Mortier (1721-1778), J. Covens and Son (1778 - 94) and Mortier, Covens and Son (1794 - c. 1862)

Under the heading Pieter Mortier we give some details of the extensive publishing business which he built up in Amsterdam and which, after his death, was subsequently taken over by his son, the above-named Cornelis. In 1721 Cornelis married the sister of Johannes Covens and in the same year he and Johannes entered into partnership as publishers under the name Covens and Mortier which, with its successors, became one of the most important firms in the Dutch map publishing business.
Their prolific Output over the years included reissues of general atlases by Sanson, Jaillot, Delisle, Visscher, de Wit (whose stock they acquired) and others (often with re-engraved maps), atlases of particular countries including Germany, England and Scotland and others in Europe, pocket atlases, town plans and, from about 1730 onwards, a series under the title Nieuwe Atlas, some consisting of as many as 900 maps by various cartographers and publishers. As there is no conformity about these volumes they were presumably made up to special order and only general details of publication can be quoted in a work of this size.

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