Geographical map/instrument for locating Mecca, has upper dome to protect gnomon, light and neutral material support in which magnets are placed in pairs and lower dome, protecting instrument bottom, with cube indicating Mecca`s black speck

摘要

The map/instrument has an upper dome (Csp) to protect gnomon, and a support (Sup), made of light and neutral material, in which magnets are placed in pairs. The support receives at the recto and circumference, circle of digits on an inclined plane, with the gnomon having graphical representation of afternoon prayer in its center. A lower dome (Cip) protects the instrument bottom and has a small cube representing black speck of Mecca.