cannonry การใช้

• Yet even before they set sail the food was consumed awaiting the Board of Ordnance to deliver the cannonry and musket balls.
• This placed a heavy emphasis on the geometry of the fortification to allow defensive cannonry interlocking fields of fire to cover all approaches to the lower and thus more vulnerable walls.
• Among other things, it shows details of the siege engine called the " onager ", which afterwards played a great part in sieges, until the development of modern cannonry.
• Fortifications also extended in depth, with protected batteries for defensive cannonry, to allow them to engage attacking cannon to keep them at a distance and prevent them bearing directly on the vulnerable walls.
• From 1855 to 1857, Pels Rijcken was assigned as commandant of the Nagasaki Naval Training Center, teaching the principles of a modern naval science ( navigation, cannonry, ship-handling ) to samurai including Katsu Kaishu.