... to 1,000 men, to be expanded, if possible, to three pieces to 1,000 men. 2. That the proportion of rifled guns should be restricted to the system of the United States ordnance department; and of Parrott and the smooth-bores (with the exception of a few howitzers for special service) to be exclusively the 12-pounder gun, of the model of 1857, variously called the gun-howitzer, the light twelve-poun...