Armillary

How to use an Astrolabe? Simple explanation. Astronomy.

Introducing Physical Geography - Arthur Newel Strahler - Chapter 2

In this article, we'll explore how the armillary sphere works, what the rings on it show, and how it helps visualize the movement of the Sun on the celestial sphere.

Armillary Sphere

The armillary sphere ( Astronomiae instauratae mechanica,1598)

Astronomical Instruments: Astrolabe. Quadrant. Torquetum. Table Sundial. Astronomical Calendar. Equatorium Astronomy is one of the mathematical sciences. Her perfect instruments are unique. Institute for History of Arabic Science "Whosoever believes that anybody can execute measurements on order and without previous practice, and that each measuring instrument delivers correct results, is in error. Whosoever wishes to achieve this must, first of all, spend a long time on the study of the...

浑天仪

The "torquetum" or "turquet" is a complex and sophisticated Medieval instrument, first described by the ancient Greek scientist Ptolemy, used to measure

Tyco Brahe's 'Armillae Aequatoriae Maximae'

Apianus Armillary Sphere Sketch

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