How First A-bomb Result Compared With H-bomb Damage -- This is AP artist John Carlton's conception of 1952 H-bomb damage as described today by Rep. W. Sterling Cole, Chairman of the Senate-House atomic energy committee, by comparison with results in the original A-bomb test at Alamagordo, New Mexico, in July of 1945. Rep. cols said the 1952 thermonuclear test at Eniwetok Atoll tore a cavity a mile in diameter and 175 feet deep in the ocean floor - a crater in which 140 buildings the size of the