Standard cotton mill practice and equipment, with classified buyer's index (1918)
National Association of Cotton Manufacturers, National Association of Cotton Manufacturers. Year book of the National Association of Cotton Manufacturers · Boston : The National Association of Cotton Manufacturers · leaf 177
Bearings THE NORMA COMPANY OF AMERICA ITOO J^KoADWAY, New YorkBALL, ROLLER, THRUST, COMBINATION BEARINGS NORfflfl 1^ MARK … The (listiiiKviisliiii^ filatures of Norma Ball Bear-injjs are extremely high precision, open type of cou-stiuctiou, and rigid mounting of both races. Thiseliminates all looseness and wear in the housing, ab-solutely forbids viliration. and therefore results insilent running even at the highest…