Wiki information Waltersen:

Nils Waltersen Aasen
Inventor, Person, Deceased Person

Nils Waltersen Aasen was a Norwegian arms inventor; he is credited with having created the modern hand grenade and land mine just prior to World War I.

Aasen Bomb

An Aasen Bomb was an Italian early World War I bomb fashioned from a hand grenade and dropped on the intended target from an Italian aircraft. The Aasen bomb was named for Nils Waltersen Aasen, a Norwegian arms inventor who developed a wide range of...