Sundials Their Theory and Construction

Libro: Sundials Their Theory and construction
Autor: Albert E. Waugh
Editorial: Dover

The origin of sundials is lost in antiquity. The student of the history of science find in them evidence of very early understanding of fundamental relationships of astronomy. The modern science teacher user them to illustrate vividly the first principles of the solar system. The artist finds examples of medieval design and craftsmanship in their intricate engraving or stonework.