Schwerer Gustav: Largest Gun Mankind Has Ever Built
Arsenal of Democracy: Cannons | Dodge Garage
How Machine Guns Work | HowStuffWorks
The History Press | Weaponry in World War I
75mm Gun M1897, U.S. Army
SOLD!!!!! Arsenal Made Miniature WWI French 75MM Howitzer With Interrupted Screw Breech, Brakes, & Recoil Mechanism !!!!!SOLD!!!!! – Wayne Driskill Miniature Firearms
75mm Gun M1897, U.S. Army
The Browning 1921 Autoloading Rifle: A Forgotten Weapon of War -The Firearm Blog
Passion & Compassion 1914-1918 : WW1 militaria and technical documentation - artillery
GUN STRUCTURES
Interrupted screw - Wikipedia
MK 108 cannon - Wikipedia
138 Artillery Breech Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime
GUN STRUCTURES
Firearms History and the Technology of Gun Violence – UC Davis Library
1911 Encyclopædia Britannica/Machine-Gun - Wikisource, the free online library
French 155 mm guns in World War I
Cannon Lock | Cannon
Handbook of the Maxim Automatic Machine Gun Model of 1904
Naval Artillery
Japanese Type 97 20mm Anti-tank Rifle
Original British Naval Cannon Flintlock Ignition System circa 1790 – International Military Antiques
Vickers machine gun - Wikipedia
