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Arnold was the eldest child of Gerardus Mercator and Barbara Schellekens from Leuven, who married in 1536. [1] [2] Arnold grew up in Leuven and, as a 7-year-old boy, witnessed the arrest of his father, who was then a professor in Leuven. Gerardus Mercator was suspected of Lutheranism. His father was released after a few months.
The Mercator Telescope is a 1.2 m telescope at the Observatorio del Roque de Los Muchachos on La Palma. It is operated by the Katholieke Universiteit Leuven (Leuven University), Belgium, in collaboration with the Observatory of the University of Geneva and named after Gerard Mercator , famous cartographer.
Gerardus Mercator (/ dʒ ɪ ˈ r ɑːr d ə s m ɜːr ˈ k eɪ t ər /; [a] [b] [c] 5 March 1512 – 2 December 1594) [d] was a Flemish geographer, cosmographer and cartographer.He is most renowned for creating the 1569 world map based on a new projection which represented sailing courses of constant bearing (rhumb lines) as straight lines—an innovation that is still employed in nautical charts.
The rich archives of the old University of Leuven, after its suppression by the law of the French Republic, so as all the other Universities of the French Republic, were transferred to a "Commission in charge of the management of the goods of the abolished university in Leuven", set up in 1797 and active until 1813. [40]
Gaspard van der Heyden (also known as Gaspar à Myrica [1]) (c. 1496 – c. 1549) was a goldsmith, engraver, master printer and builder of precision astronomical instruments including terrestrial and celestial globes [1] [2] [3] from Leuven, Belgium. He was well known among the humanists in Leuven as well as among scientists and mathematicians.
OP-2 (ОП-2), or Ionov's salt, indicated on the package as Н. А., is a chemical substance used as a thickener. [ 1 ] [ 2 ] The main component of OP-2 gel is gasoline. On the cardboard or cardboard packaging of the OP-2, the inscription "H.A." refers to its unit component, aluminum naphthenate.
Aces around, dix or double pinochles. Score points by trick-taking and also by forming combinations of cards into melds.
Hondius's new edition of Mercator's work was a great success, selling out after a year. Hondius later published a second edition, as well as a pocket version Atlas Minor. The maps have since become known as the "Mercator/Hondius series". [6] Hondius was a cousin of Abraham Goos, and he taught Goos mapmaking and engraving. [7]