Miss Laughton Engaged to WedCmdr. and Mrs. Armine Walker Laughton, USN, of LaMesa, Calif., announce the engagement of their daughter, Miss Constance Laugh-ton, • to Douglas Gordon Browne, son of Mr. and Mrs, Harry Clay Browne of San Diego, Calif. iMiss Laughton, the granddaugh-i ter of Mrs. William E. Marvin of 152 Middle St., attended Eogers Hall in Loweli, Mass., and Holton' Arms School, Washington, D.C.