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An Astronomical Analysis of Some of the Diagonal Avenues of Washington

2016; RELX Group (Netherlands); Linguagem: Inglês

1556-5068

Amelia Carolina Sparavigna,

Historical Geography and Cartography

Here we are proposing an astronomical analysis of the directions of some of the diagonal avenues of Washington, made by means of satellite images and a modern ephemeris, the Photographer s Ephemeris, a well-known software used for planning outdoor photography. Some diagonal streets of Washington seem had been aligned along the northern moonrise azimuth of 1791, the year the engineer Pierre Charles L Enfant started the survey for planning the town for George Washington, and along the southern moonrise azimuths of 1792, the year the surveyor Andrew Ellicott revised the plan. In this manner, in the directions of some diagonal avenues, the engineers that worked on the urban project, introduced a reference to the years of their plans for the Capital of the United States.