Huge Arms Cache Found In Tel Aviv Biggest Yet -- A Tommy sorting over Rifles, two inch mortars and boxes of Bullets in a class room at the Techkimoni school, Tel Aviv, after the Arms Cache discovery, August 1.British Army Battalion G.Headquarters, temporarily set up in the Techkimoni school, Tel Aviv, was found August 1 to be sitting on top of the biggest arms cache yet found in the wide search for terrorists.Thousands of rounds of Ammunition, Mortar bombs and hand grenades and hundreds of rifles and pistols had already been found in sealed room below the main floor of the school building in the heart of the all-Jew community. August 05 1946. (Photo by Associated Press Photo).