Show Single Wool Fiber Can Cc Co Extended 70 Per Cent Wool is a 8 perfectly elastic ma tenet It Is unique In this ci CHac ac No matter how much It H u is stretched without breaking It will under ordinary circumstances return return re reo turn to Its Ita original length reveals an authority in the Philadelphia Inquirer A single wool fiber If kept wet and stretched slowly can be extended by 70 per cent of Its III original length without breaking and when the stretching force farce Is released released re reo leased it will return exactly to its lis former length len Wool fibers are fine and light In weight The diameter of a fine tine wool fiber of DOs OOs quality is about ono one two thousandth of an Inch The weight of such a fiber six Inches long would be less than a millionth of an ounce In fact if OOs quality fibers were placed end to end for forone forone forone one mile the total weight would only be a hundredth of an ounce Therefore There fore one ounce of wool fiber of DOs OOs quality would measure miles In length I The heat retaining power of clothIng cloth cloth- Ing Is a factor of great ireat Importance in every climate Wool has the lowest conductivity of any fabric and therefore will retain heat in a warm body which It covers for the longest time Wool is a bad conductor conductor con con- il ductor of heat As wool prevents the body warmth from escaping it obviously will not allow the cold to penetrate the body Wool Is twice as slow as cotton In increasing lg its conductivity due to moisture and will retain heat better even when getting wet |