. Textile school catalog, 1917-1918. actice in the analysis of dyes in bulk and on the fibre. This course is very essential to the student who desires to lithimself thoroughly for the proper-ties of the various animal and vegetalile fibres. — Microscopy id the fibres. This course is intended to make the student familiar with the\anous lilires tliat are employed for textde purposes. He is requiredto study the microscopy of typical lifires and in this luanner becomefamiliar with the structure of fibres of different origin. Xumeroussamples must be analyzed to determine tlie character of the hl)rc
. Textile school catalog, 1917-1918. actice in the analysis of dyes in bulk and on the fibre. This course is very essential to the student who desires to lithimself thoroughly for the proper-ties of the various animal and vegetalile fibres. — Microscopy id the fibres. This course is intended to make the student familiar with the\anous lilires tliat are employed for textde purposes. He is requiredto study the microscopy of typical lifires and in this luanner becomefamiliar with the structure of fibres of different origin. Xumeroussamples must be analyzed to determine tlie character of the hl)rcspresent. 87. COURSE IN CJIKMISTRV, DYEING AND PRINTING DYEING II. Technology of Scouring and Bleaching Study iti till- inipmilirs dccuiring in raw wonl. — Stte|)iiig and scouringwiiol. — Ry-|iriidiicts from scniuinK lii|uiirs. — Scnuriiif, cloth and yarn.—Waterfor scouring inu-imscs.— Study of tlu- .sidvi-nt nietlmds fur scouriuK wool.—Soaps for scouring purposes. — Influence of diflerent scouring agents and con-ditions on the jihysica! ]iroperties of wmil.—Scouring and hoiling-out of cot-ton.—Bleaching of wool: stoving with sul|>hiu : Ideaching with sodiumand h\driigen ]ier(ixides, pntassiuni permanganate, etc. —lileaching cjf cottcju;use of cliloride of lime; study of the proper conditions for Ideaching.—Linenbleaching. A lIi()r()noli coiir.^c cif lectures on the stiliject is given. A con-stant reterence is made to the cheniistr\- of the ]>ri)cesses with achemical study of the materials employed and the Ijy-productsohtained. .V considerable amoinit of e.\]ieri
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