The astrolabe is an ancient Greek analog computer based on the stereographic projection. Invented by Hipparchus and refined by Ptolemy and the Arabs of antiquity, it is used to solve problems relating to the timing and location of astronomical phenomenon. It can actually tell time and solve trigonometric problems. Buy this book and learn how to make your own working device and acquire a deep understanding of astronomy in the process. Learn about precession of the equinoxes, and the history of the zodiac as you delve into the surprisingly precise predictions of the ancient astronomers. This is the only English book in print that teaches how to make an astrolabe using modern tools.
What is an Astrolabe?
So, what is an astrolabe and what can it do?
The astrolabe is an analog computer and astronomical observational tool. It is t...
About the Author
George Trimble is an internal medicine hospitalist at Van Wert County Hospital in Van Wert, Ohio. He attended medical school ...
Purchase the Books
The Theory, Design, Manufacture & Use of The Astrolabe: Wheel of Esoteric, Ancient Wisdom
$69.00 - Available on Amazon.com