Land mine invention by the Polish officer Józef Kosacki. His invention, known as the Polish mine detector, was used by the Allies alongside mechanical methods, to clear the German mine fields during the Second Battle of El Alamein when 500 units were shipped to Field Marshal Montgomery's Eighth Army. The Nazis used captured civilians who were chased across minefields to detonate the explosives. According to Laurence Rees "Curt von Gottberg, the SS-Obergruppenführer who, during 1943, conducted another huge anti-partisan action called Operation Kottbus on the eastern border of Belarus, reported that 'approximately two to three thousand local people were blown up in
Second Battle of El Alamein time being—be continued by armoured cars and artillery only because of the difficulty in supplying larger formations west of Bardia until the supply infrastructure could catch up. El Alamein was an Allied victory, although Rommel did not lose hope until the end of the Tunisia Campaign. Churchill said, The Allies frequently had numerical superiority in the Western Desert but never had it been so complete in quantity and quality. With the arrival of Sherman tanks, 6-pounder anti-tank guns and Spitfires in the Western Desert, the Allies gained a comprehensive superiority. Montgomery envisioned the battle as an attrition operation, similar to