Flat Earth Map - Gleason's New Standard Map Of The World - Large 24 x 36 1892

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From the registered patent, he never mentioned that the Earth is flat. On the contrary, he said that he made the map from a globe, which explains how a north-pole centered azimuthal equidistant map is designed. References The relationship between the coordinates ( θ, ρ) of the point on the globe, and its latitude and longitude coordinates ( φ, λ) is given by the equations:

The Most Accurate Flat Map of Earth Yet - Scientific American

Snyder, John P.; Voxland, Philip M. (1989). An Album of Map Projections. Professional Paper 1453. Denver: USGS. p.228. ISBN 978-0160033681. Archived from the original on 2010-07-01 . Retrieved 2018-03-29. Purple circles: 15,000 km radius circles Applications [ edit ] An azimuthal equidistant projection centered on Sydney The shadow [earth] casts on the moon during an eclipse is round, regardless of where the moon is in the sky,” Steffen said. An interactive Java Applet to study the metric deformations of the Azimuthal Equidistant Projection.R ( π 2 − φ ) , θ = λ {\displaystyle \rho =R\left({\frac {\pi }{2}}-\varphi \right),\qquad \theta =\lambda ~~} Limitation [ edit ] David A. KING (1996), "Astronomy and Islamic society: Qibla, gnomics and timekeeping", in Roshdi Rashed, ed., Encyclopedia of the History of Arabic Science, Vol. 1, p. 128–184 [153]. Routledge, London and New York. But while Gleason argued the earth is flat in his book, his application to the U.S. Patent Office for the map appears to contradict this. The application states that the map is extracted from the earth as a globe. Specifically, Gleason said: “The extortion of the map from that of a globe consists, mainly in the straightening out of the meridian lines allowing each to retain their original value from Greenwich, the equator to the two poles.” In May 1893, Gleason patented the invention of the “New Standard Map of the World”, a projection of the earth centered on the north pole, which can be found ( here). The azimuthal equidistant projection is an azimuthal map projection. It has the useful properties that all points on the map are at proportionally correct distances from the center point, and that all points on the map are at the correct azimuth (direction) from the center point. A useful application for this type of projection is a polar projection which shows all meridians (lines of longitude) as straight, with distances from the pole represented correctly. The flag of the United Nations contains an example of a polar azimuthal equidistant projection.

Flat Earth - Great Circle Routes on Gleason Map – GeoGebra Flat Earth - Great Circle Routes on Gleason Map – GeoGebra

GeographicLib provides a class for performing azimuthal equidistant projections centered at any point on the ellipsoid.While it may have been used by ancient Egyptians for star maps in some holy books, [1] the earliest text describing the azimuthal equidistant projection is an 11th-century work by al-Biruni. [2] Azimuthal equidistant projection maps can also be useful to show ranges of missiles, as demonstrated by the map centered on North Korea showing the country's missile range. I usually work on general relativity and cosmology. I have always loved geometrical things. As a kid I was fascinated by map projections. When I was 14, I made a painted globe of Mars based on a flat Mercator Mars map by the astronomer E. M. Antoniadi. Since becoming an emeritus professor at Princeton, I have fondly returned to some of my childhood interests. The so-called “Gleason Map” is an old map published in the 19th century. The author was a flat-Earther who claimed the map as the “flat Earth map.” In reality, the map is just a normal azimuthal equidistant map centered on the North Pole. From the map’s patent, we know the author was aware and in full knowledge that the map was just a projection of the spherical Earth, contradictory to the claims in his book.

Azimuthal equidistant projection - Wikipedia Azimuthal equidistant projection - Wikipedia

The Winkle tripel is a map to hang on your wall. Ours is a more accurate one you can hold in your hand.Edward S. Kennedy, 1996, Mathematical geography, in Roshdi Rashed, ed., Encyclopedia of the History of Arabic Science, Vol. 1, Routledge, London and New York.