T THIRTEEN MILLIONTH CHEVROLET IS another milestone in industry was reached wednesday july ith when the 13 millionth Che rolled olt off the assembly line in fit the flint plant of the chevrolet division general motors corporation in spite of interrupted production 4 chevrolets lets millionth car was wa produced in a period ot of just to days more than 11 months the see bec ond shortest million unit period in the companas comp anys history officials stated that the demand tor for tho tasi 1937 models has exceeded anything heretofore known and that but for or I 1 he ha frequent interruptions ot of output since jan 1 production and work ers wages would have shattered all ail previous records and the present I 1 milestone would have been reached ched from 60 to 90 days earlier