The translated work of the German engineer Ebergardt was published by a school of what posobіe with the izuchenіi of teorіi and practice of controlled balloons. The book consists of a number of articles on the konstruktsіi of balloons, and although it is far from exhausting the question in its full volume?, But sun? -g? represents a great interest for oznakomlenіya with the main calculations when proyektirovanіi a balloon.