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The projection found on these maps, dating to 1511, was stated by John Snyder in 1987 to be the same projection as Mercator's. [6] However, given the geometry of a sundial, these maps may well have been based on the similar central cylindrical projection, a limiting case of the gnomonic projection, which is the basis for a sundial. Snyder ...
Herod the Great added what Josephus called the Second Wall somewhere between today's Jaffa Gate and Temple Mount. Herod Agrippa (r. 41–44 CE) later began the construction of the Third Wall, which was completed just at the beginning of the First Jewish–Roman War. [7] Some remains of this wall are located today near the Mandelbaum Gate gas ...
Then comes the outer wall of the Anemas Prison, which connects to a double stretch of walls. The outer wall is known as the Wall of Leo, as it was constructed by Leo V the Armenian (r. 813–820) in 813 to safeguard against the siege by the Bulgarian ruler Krum. This wall was then extended to the south by Michael II (r. 820–829). [143]
Mercator's 1569 map was a large planisphere, [3] i.e. a projection of the spherical Earth onto the plane. It was printed in eighteen separate sheets from copper plates engraved by Mercator himself. [4]
The river banks within the city limits appear to have been left unfortified, although they were fortified along the Campus Martius. The size of the entire enclosed area is 1,400 hectares (3,500 acres). [1] The wall cut through populated areas: in reality the city at the time embraced 2,400 hectares (5,900 acres).
Gott, Goldberg and Vanderbei’s double-sided disk map was designed to minimize all six types of map distortions. Not properly "a" map projection because it is on two surfaces instead of one, it consists of two hemispheric equidistant azimuthal projections back-to-back. [5] [6] [7] 1879 Peirce quincuncial: Other Conformal Charles Sanders Peirce