The Project Gutenberg EBook of General Investigations of Curved Surfaces of 1827 and 1825, by Karl Friedrich Gauss This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at Title: General Investigations of Curved Surfaces of 1827 and 1825 Author: Karl Friedrich Gauss Translator: James Caddall Morehead Adam Miller Hiltebeitel Release Date: July 25, 2011.