Important early work on Artillery and military tactics by Johann von Wallhausen. Illustrated with plates by Theodore De Bry. Published in Frankfurt, 1638. Contains 35 (of 35) plates including 25 double page. Wallhausen was a keen proponent of millitary discipline which he learnt in the Dutch Religious wars against Spain. His techniques of warfare provided the most effective use of the musket and pike weapons of the era and were widely translated from German to French, Italian and Russian. The illustrations are finely executed by Theodore De Bry.