Show LARGEST STRUCTURE OF KIND IN WORLD DETROIT Mich Uch March 31 Occupying p an entire city block on West Grand boulevard Detroit's most noted driveway the story fifteen office orrice building and research laboratory of or the General Motors corporation ranks as the largest structure of ot Its kind In the world The building recently completed at ata ata ata a cost of or has a floor area of ot thirty acres and will wUl accommodate accommodate accommodate date workers In Its 1750 offices The rho structure Is a city within it itself itself It- It self as it St contains restaurants swim swim- ming pools gymnasiums bowling alleys al alleys alleys al- al leys and other places place's amusement places as aswell aswell aswell well as a fully tully equipped hospital and anda and anda a bank Tho building of or steel frame construction construction con con- has four tour miles of or corri corn dors and required two years to build bund during which period 2000 men were employed constantly The research laboratory one of or the distinct features of or the building occupies oc occupies oc- oc five floors of or one wing and Is 18 equipped for tor work along mechanical electrical and engineering lines Unes in this laboratory the future mechanical problems of or the corporation are to be bo worked out by experts In various lines An auditorium seating 1500 persons Is provided This will be used In carIng car car- caring Ing for tor some of or the conventions which car I come to Detroit |