โ Scribed by Hird, H. P.
No coin nor oath required. For personal study only.
silk is usunlly sent out; in this forin for sul~scqucnt operations, such as tlycing, pirniog, wnving, and ltni tting.
PROPERTIES 0 1 7 dRTrP1CIAL SILK j~lleb~g.-CIinrdontiet, cupranimonium and viscose silks, bciiig all rcgencmtcd ccllulosc, bchnvc towards ilgcstuffs wry much like cotton, nud the direct cotton colours cnii be used for dyeing thciii. I-lowxcr, each individual type iind cncli innnufncturcr's prodoct of even t,lic sninc type !ills its OIVII dcgrcc of :LlEnity for dycstuffs, and wiII yield different slindes in the snmc dye-bath, so that i t is csscntiiil not to inis diffcretit silks cvcn of the same type in ii ftibric which is subscqucntly required to be dyed a iiniform s11:ide. Acetate silk, on the otlier hand, hclinvcs quite diffcreiitly from cotton, and requires its own special dycstiilfs, wliicli linve been evolved to iiicct. tliis need.
C~e,)iical.-~~rtificinl silk is clic~iiici\lly in 110 \.;IF rclnted to r e d silk, so that tlie nniiie mtificid silk , 1s ' ~iiis~io~ner. An nttciiipt 1111s bccn iiindc to iiivcnt x iictv nninc for the fibre, i i n d , although tlic term '' Iitiyoii " is uscd in itinny coiintries, i t is not ~iiiiversid, and tlic old terminology is still preferred in tliis country. ilrt,ificinl silk is closely nllietl to celldose, tiiitl tlicrclorc more nl;iii to cottoti or linen, a i d , altliougli ncct.iitc silk is soiiicivlint tlifbcnt from the otlicr types, it is still x comparatively siinplc tlcriviitiou of ccllulosc. Phy.slsical.--Tlic size or count of :irtificinl silkis expressed in tlcniers. The tlctiier of a yarn is the \might of '3000 nict.rcs of the ynrn cspresscd in prainiiics : for csiitnplc, if ii Icngth of 9000 nictrcs of y m i weighs 150 g., t.lieii the yirn is 150 denier.
๐ SIMILAR VOLUMES
One of t.lie hst-known Ihitisli low-tem~ierature c:i rborkitioti procrsscs is the invention of Robert Xticlawin, uf Stirling, reprc~enting cxtcnsivc cspcricncc dating bock to 1913. Since August, 1926, a large " Xaclaurin '' plant of four retorts, with a tlirougliput of 100 tons per 24 h., h s bccn r
No, V. The "Babcock '' Procerr By DAVID BROWNLIE One of tlic iicxt stnges in niodcrn stcnm gcncrntion conncsion with other furnace ccpiipnient iisiiig solid cod, is nlrnost certainly coni1)incct low-tempcrnturc csrIionisrition nnd coinbustion. That is, instead of burning raw conl tIirccL, citiicr in