Turret Porter" model 1851 percussion revolver, 2nd model, nine shots, 41 caliber approx., single action. Barrel with sides, rifled of 69 cmWith markings "ADRESS P.W. PORTER NEW YORK -P W.PORTER'S PATENT 1851", rotary rise and lever of loading to the thunder . Side hammer, flat cylindrical barrel. Frame hinged on the right side to release the cylinder. Cocking by lever of underguard with double safety at the back of the lever. Iron fittings. Varnished walnut stock (small dents from use). Length: 112 cm . Numbered "37*" on the different parts of the mechanism. The 2nd model was produced in 350 pieces numbered from 300 to 679 .