ANOTHER COMPLIMENT TO AMERICAN MECHANICS.– James H. Burton, late master armorer in the National Armory at Harper’s Ferry, Va.; but for some months past a resident of Springfield, Mass., it is said, has received from the British government the appointment of engineer of the British national armory of Enfield, near London. Although that armory is under the command of Capt. Dixon, of the Royal Artillery, Mr. Burton will have the entire direction of the manufacturing operations of the establishment.