Sensational new elasto-plastic developed from coal, limestone, salt and water by chemists of The Glenn L. Martin Plastics Research Laboratory is inner tubes for the nation;s automobiles, a small amount will be set aside for nursing bottle nipples.
Sensational new elasto-plastic developed from coal, limestone, salt and water by chemists of The Glenn L. Martin Plastics Research Laboratory is inner tubes for the nation;s automobiles, a small amount will be set aside for nursing bottle nipples.