Northover Projector
The Northover Projector was designed by Home Guard officer Robert Harry Northover to act as a makeshift anti-tank weapon , and was put into production in 1940 following a demonstration to the Prime Minister , Winston Churchill . 
<triplet> Northover Projector <subj> 1940 <obj> service entry <triplet> Winston Churchill <subj> Prime Minister <obj> position held