First Uie of Heavy Ordnance. The Turks wero tho first to employ enormous ordnance In warfare, nnd when Mohammed II. besieged Constantinople Con-stantinople In 1453 ho battered the walls with huge stone shot, some of them weighing as much as 1,200 Jioiinils A lingo specimen of this ancient Turkish artillery Is to be seen at the present time in .ie Rotunda museum at Woolwich, Kngland. They were extremely unwieldy weapons and could 011I5 be fired ht tho rato of four times a das. King Homy V. of Kngland, Kng-land, will understood the possible advantages ad-vantages of the nrllllery, nnd there Is still extnnt an order of his to the clerk of the ordnance and one John lionet, a inaton at Maidstone, to cut 7,000 stonn bhot In the quutrles at that place