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					Originally Posted by Dmitry
					
				 
				I'm no artillery buff, but I think that the projectiles it fired were not rectangular, but round, arranged  in a horizontal row, perhaps in a rectangular sabbot. 
			
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 Lethal Frisbees ?  
 
They would need to have spin introduced for accuracy I would think .  
Maybe case shot made up of flechettes for antipersonnel use ?