Unusual Telescopes
Peter Manly surveys more than 150 unusual telescopes designed by amateur and professional astronomers to suit some special need.
9780521483933, 052148393X
1163797585
Preface; 1. Optics; 2. Telescope mounts; 3. Telescope and mount materials; 4. Strange drivers; 5. Moving the whole telescope; 6. The moving eyepiece; 7. The stationary eyepiece; 8. Limits; 9. Whimsy; Index.