Page:Manual of the Lodge.pdf/127

82 dimensions of the world, and all things therein contained; to delineate the extent of seas, and specify the divisions of empires, kingdoms, and provinces. By it, also, the astronomer is enabled to make his observations, and to fix the duration of time and seasons, years and cycles.

In fine, geometry is the foundation of architecture, and the root of the mathematics.

MUSIC Teaches the art of forming concords, so as to compose delightful harmony, by a mathematical and proportional arrangement of acute, grave, and mixed sounds. This art, by a series of experiments, is reduced to a demonstrative science, with respect to tones and the intervals of sound. It inquires into the nature of concords and discords, and enables us to find out the proportion between them by numbers.

ASTRONOMY