| Show DIFFERENT WAYS WAY S TO TEST FIBERS knowledge given will save housewife money when necessary to buy material LINEN IS QUITE EXPENSIVE office of home economics economic of department of agriculture gives prias method of test for adul te ration of fabrics fabric there them ts to such a gr great e at variety of fabrics on the in market arket now me rod and most of us understand so BO little about how bow the they are made that it Is hard to know which ones will give the best wine for the money our grandfathers used to buy pure virgin it wool but new processes have been devised which uti oil lize lie shoddy along with the wool in such a way that the goods are sometimes h handsomer 0 r and more durable than the old linda kinds linen line hits has rone gone up so EO in price buic u that many any of a us cannot afford it and must content ourse olus hes ehe with cotton cottell or cotton and linen mixtures mixture A microscope Is the most accurate means of distinguishing cotton nod and linen threads cotton fibers under the microscope have ban a ribbon like appear ance with frequent fie quent twists old and a brood broad lint flat central canal 1 linen I nen them fibers are round mund jointed and heavier fi vice the than cot ton it if the fabric 1 Is without starch oil 11 makes linen translucent and cotton opaque the finish must be washed slashed out ont of highly fird finished shed materials before the test last oure caa be used need A comparatively simple I 1 test which after some experience enables one to distinguish is h between linen and cotton la Is called the tearing ng test one must be an expert dialect to detect cotton cotto a and linen mixtures mixture in this 8 way 1 th the linen 11 weaves weave 1 iu general so coul are mar difficult to to tear the than cotton at to the revin torn ends of the lines linen threads appear uneven in length and the individual fibers of the threads are plu parallel edill whit while ill the lot torn ends ad of J the a left cotton threads are more mom even in length and the individual fibers above are twitted in every di direction re ties the sound mind of tearing lit linen Is 1 shrill and that of cotton it dull or muffled another ther simple test Is to light the threads with a match bottel lit blow out the fallen and examine the burnt ends the cotton it threads will have blunt eada while the linen will be pointed A an easy way of 1 di s tin gul shins b be tween the birth highly y sized ind and calen dered cotton darask damak and true linen dome damask 1 la to boil bell n staple sample alfor bet beins rig dried dred and leaned ironed if it is cotton it will have a dull and somewhat furay fumy appon appearance while the luster and smoothness of real linen will not be affected by the he treatment mercerized zed cotton it damask ask keep a more luster than untreated cut cot ton but leg less than linen woolen and worsted watered fabrics fabric arlen since the price of pure pun new wool la is rul atle v high other materials material see are often mixed mind with 11 it the most lommon being what is in turmoil termed shoddy hd dl this Is old woolen material tallor tailors clippings rl n go etc put through a special P sri at machine alch which tears them apart a and ad reduces the them to fibers such a goods do have hare many uses anses it la is stated by woolen wooden manufacturers that the b test ed grade of worsted shoddy which la Is 0 of aa long staple I 1 e has long fibers abers la superior to the low grade short topic staple new or virgin wool spin also that it I 1 la I 1 ira possible to get the flow texture and ad finish required for some of the best grade goods code without the use of some shoddy is As shoddy la in moule made from wool fiber it slow gives the same chemical tests as an pure wool and am small 11 am amounts a tire see are almost impossible b Is to do detect 1 set except by the use of the microscope cotton I 1 is into also used ased with wool such goods haie bae many uses use it is a simple mat matter t at to detect the presence of loth cot ton as a wool la Is dirso dissolved hed 1 in and not affected ill bv settle acids ahl while cotton Is dissolved by arld acids nod and not at affected by al kalies dow detecting ot ing over Weighted silk when t the it e gum is removed from silk produced by a silk worm want the silk loses lose fm from in 20 t to a 30 per coal cent of its ita original weight to make its up tor far this ie loss in weight large additions of var car ious on substances substance which do not change the I 1 mils feel fee or structure of tire silk are often made if no larger inner so an amount than that of the weight of the gum goal belled off Is added it la is considered but much ill silk 1 Is made which has as high a as from three these to four times as much mineral matter added to it as its original weight eight this makes the silk brittle and ad weak so a ahat at it amr wears out quickly it I 1 is easy amat to determine heavily weighted righted material trial by burning a small sample amal pure silk R home burns will rapidly smells like wool and BUY produces a small mail amount at of brit brittle curled up a ash material a which ill 1 Is heavily welch weighted ted will have an ash which is stiff and which often holds hold S the shape lisp of the sample cot cotton I 1 an is breque frequently VY mixed with silk such goods good sold old a as mixtures mixture have mangues man yues it ineasy Is easy to detect cotton led 1 in silk ilk by the microscope crompe as the libers fibers of silk are round mund and smooth while wen the th cotton it fibers a are ribbon like ilke and it fuzzy |
