16:10

Hotchkiss Revolving Cannon from San Juan Hill

22:06

Vickers Heavy Machine Gun

21:06

Maxim "Prototype": The First Practical Machine Gun

6:24

Pom-Pom Guns

19:12

11mm Vickers "Balloon Buster" Machine Gun

26:09

Forgotten History: World's Biggest Black Powder Cannon - a 100-Ton Gun

19:52

À l'intérieur du canon V3 de Londres

23:51

Making a Fully Functional Jet Engine from Soda can | diy Jet Engine | homemade Jet Engine