...ent time. We have heretofore noticed the shipment of formidable implements of war to the seceding States, and there are more of the same sort in preparation. Two ten-inch Columbiads, destined for Alabama , are nearly completed; and two fierce-looking mortars, for South Carolina, will shortly be ready for the troops of that Republic. In the casting of one mortar and one gun, last week, 23,000 pounds ...