The Telescope

This work presents information about telescopes, their construction, and their properties. It's a telescopic history before World War II and was written with the objective of giving out more accurate details concerning telescopes to the many observers who use telescopes for study or amusement. It deals mainly with principles and their application to the telescope, an astronomer's chief research instrument. It is an informative work and would be of great interest to all astronomy fans. Contents include: The Evolution of the Telescope The Modern Telescope Optical Glass and Its Working The Properties of Objectives and Mirrors Mountings Eye-pieces Hand Telescopes and Binoculars Accessories The Testing and Care of Telescopes Setting up and Housing the Telescope Seeing and Magnification