Show ite color it is said that the fastest colors on the market are what aro are known among dyers as colors that are dyed with in a caustic bath those these colors oro are as aa nearly fast as can he be made and have been be 0 n adopted by our government to bo be used in army uniforms after being submitted to very severe tests the dyeing b f those these colors on cotton yam iu is simple simpie I 1 especially when the scotch tub system tem la Is employed the proper way to dye these colors Is to use the vacuum type of dye machine us as the dyestuff experts hold that all air should be eliminated from the cotton before tho the dyestuff dyen tuft Is applied and this thin typo of macl ilAo je Is best beat suited for that purpose because in this system the cotton Is station stationary RrY and the dye liquor is forced through the cotton by means of pumps |