using the weapons of destruction to create instead

John Whitney created the Catalog 1961 animation reel using a WWII anti-aircraft gunsight. He reconfigured it to be an animation-creation machine …

from youTube : John Whitney’s demo reel of work created with his analog computer/film camera magic machine he built from a WWII anti-aircraft gun sight. Also Whitney and the techniques he developed with this machine were what inspired Douglas Trumbull (special fx wizard) to use the slit scan technique on 2001: A Space Odyssey