Weapons of Sabotage

These delayed explosive devices and other weapons in the museum such as the tiny one bullet gun, hidden knives, and silencers are the stock in trade of spies and saboteurs. There really are research and development departments who design this stuff for them just like Q in James Bond.

The explosive on the left was placed on rail lines. The one on the right could be used in gas tanks and cans. These allowed attackers to be far away when they were activated.