Fortification album Chernyshev, star fortress

A unique album of drawings of engineer Chernyshev, designed for the construction of fortification ukrpeppleniya in the form of star-shaped fortresses. The album includes many ways to create and calculate redans and redoubts. The schemes of placement of guns, their masking, ballistics, removal of powder gases are given. Showing the system of arrangement of protective moats. This publication is undoubtedly of interest to all who are studying the history of stellar fortresses.