A mortar without a carriage lying on the ground to the right, soldiers firing cannons creating clouds of smoke in the background, from "Equipment needed for Fortification" (Recueil de diverses pièces très nécessaires à la fortification)

Watch-Tower on a River, from Landscapes (Playsante Lantschappen)

Claes Jansz. Visscher, II

Two cannons, two soldiers seen from the back seated to the right, from "Equipment needed for Fortification" (Recueil de diverses pièces très nécessaires à la fortification)

Stefano della Bella, Israël Henriet

Plate Ten from Drawings of Several Movements by Soldiers

Stefano della Bella

A mortar and a cannon, both mounted on carriages, a soldier shown from the back stands to the left, from "Equipment needed for Fortification" (Recueil de diverses pièces très nécessaires à la fortification)

Stefano della Bella, Israël Henriet

De ronde toren

Herman Saftleven

Old Tower, Leith

John Clerk of Eldin

L'Exercice du Canon: La Preparation (Drill of the Cannon: The Preparation), from "Les Exercices Militaires" (The Military Exercises)

Jacques Callot, Israël Henriet

Architectural Fragments

Unknown artist

A naval battle, a rowboat full of men to left, a sinking ship to right, two galleys battling in center, other ships battle to left in the background, from "Various Landscapes" (Divers Paysages)

Stefano della Bella, Israël Henriet

An English Royal Yacht

Willem van de Velde I

Fire

Wenceslaus Hollar, After Pieter van Avont

Stilleven met vaatwerk in een schuur

Unknown Artist