Bücher von E. A. Beet

Although this is a book that can be read straight through for pleasure, there are many suggestions of practical things to do both indoors and outdoors, while for the person who wishes to gain real confidence is making calculations of, for example, stellar and planetary positions, there are exercises to work through and answers to them.Metric measurements are used throughout and appendices provide such useful information as symbols, abbreviations and almanacs. There are over forty line diagrams.