This antiquarian work comprises a detailed treatise on telescopes and observatories, with information on their history, development, and evolution. Easy-to-digest and full of interesting information, this volume constitutes a must-read for those with a keen interest in astronomy, and makes for a worthy addition to collections of allied literature. Although old, much of the information contained within its pages will still be of interest and utility to modern enthusiasts, and especially so for those with an interest in the evolution of such equipment. The chapters of this book include: The First Observers, Observatories Without Telescopes, The Earliest Telescopes, Great Observatories of Yesterday, Some Famous Telescopes, Great Observatories of Today, Enter the Radio Telescope, The Work of Radio Observatories, and Observatories in Space. This volume is being republished now complete with a new introduction on the history of astronomy.