The Unseen Universe : Physical Speculations on a Future State (Paperback)

Preface to the Second Edition; Preface to the First Edition; 1. Introductory sketch; 2. Position taken by the authors?physical axioms; 3. The present physical universe; 4. Matter and ether; 5. Development; 6. Speculations as to the possibility of superior intelligences in the visible universe; 7. The unseen universe.