An Elementary Treatise on Astronomy: In Four Parts is a comprehensive guide to the study of astronomy, written by William A. Norton and published in 1854. The book is divided into four parts, each of which covers a different aspect of astronomy. Part one covers the general principles of astronomy, including the motions of the earth and other celestial bodies, the measurement of time, and the structure of the solar system. Part two focuses on the physical properties of the sun, moon, and planets, including their size, composition, and surface features. Part three delves into the study of comets, meteors, and other celestial phenomena, while part four explores the theories and principles of celestial mechanics, including the laws of motion and gravitation. The book is designed to be accessible to readers with a basic understanding of mathematics and physics, and includes numerous diagrams, illustrations, and tables to aid in understanding complex concepts. Overall, An Elementary Treatise on Astronomy is a valuable resource for anyone interested in the study of astronomy, whether as a hobby or a profession.Containing A Systematic And Comprehensive Exposition Of The Theory, And The More Important Practical Problems; With Solar, Lunar, And Other Astronomical Tables. Designed For Use As A Text-Book In Colleges And Higher Academies.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.