This work is a study of the Army of the Prussian King Frederick the Great. It depicts the uniforms of an army whose military successes laid the foundation for the rise of 18th century Prussia as a major European power, and which, like its royal commander became the military ideal for all of Europe. Their particular style and the grandeur of their equipment were widely copied, and -- uniquely for that day -- collected by Frederick's successors for posterity. The result of those efforts is the world's best collection of 18th century uniforms, now in Berlin's Deutsches Historisches Museum, located in the old Royal Arsenal, the Zeughaus. Here more than 200 items are presented and described individually and in detail, with high quality colour photographs and precise measurements. Supplementing these illustrations are photographs of items from other European collections. The total of some 1500 photographs shows an almost complete series of fusiliers' and grenadiers' caps, along with such items as cuirassiers' coatees and hussars' dolmans, sabretaches, caparisons, cartridge boxes and hats. There are also several uniform coats, including one worn by King Frederick himself. In addition, this work includes a complete reproduction of the Lace Pattern Book of 1755, a manuscript containing the original embroidery and braid patterns of over 100 Prussian regiments, which is kept at the Deutsches Historisches Museum. Finally it contains reproductions of the portraits of a large number of Prussian Army officers of the Seven Years' War period, many of them previously barely known; most are from the Field Marshals' Hall of the Prussian Military Academy.