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A The Noon Angle of the Suns Rays with the Plane of the Earth
United States Standard Time Zones
adjustable altitude April twenty-second architect architectural model areas axis azimuth basic building built Center Line Central Standard Chart circle color correspond cradle day and month December twenty-second degree intervals degree of arc diagram direction drawing earth's orbit earth's surface equator equinoctial equinox Figure forms forty-seven degree arc give glass panel half degrees hour illustrated Inside-Outside Heliodon June twenty-first latitude arc Lawrence light rays light source light-arm March twenty-first marked meridian midday minute of arc minutes mirror morning moving natural light needs ninety degrees noon angle north pole number of degrees one-half degrees particular latitude plan views plane position Professor projector spot quadrantal range reduction gear box revolution per minute seasons September twenty-third setting shadow shelter side southern hemisphere space structure sun appears sun machine sun rises sun's rays sunlight sunrise and sunset table top tick strip tion treme twenty-three University of Kansas vertical zero degrees