Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
Build Your Own Telescope
Describes the characteristics of reflector and refractor telescopes, shows how to grind lenses, and provides plans for making telescopes and mounts
