Test the various fibres by burning. Examine under a microscope with a small hand-glass, if greater power cannot be obtained. Try warm acid—sulphuric, hydrochloric, or oxalic—on the fibres; let the fibres dry. Also try a solution of caustic soda on the fibres.
References: The Textile Fibres, by Matthews. ($3.50, postage 16c.)
Textile Fibres and Cotton Fibre, pamphlets of the American School of Correspondence. (50c. each, postage 4c. each.)
Send for all the Government Bulletins mentioned in the Bibliography, page 104. Note that the free bulletins are obtained simply by addressing the Department of Agriculture, Washington, D. C., but the sale bulletins only by sending coin or money order to the Superintendent of Documents, Washington, D. C.
MEETING II
Modern Methods
Visit a textile mill if possible, after studying the text.
Practice home dyeing. Read carefully the directions given by the manufacturers of the dyes. See the booklet "Diamond Dyes," to be obtained at many drug stores, or send for it to Wells Richardson, Burlington, Vermont.
References: Text-books of the American School of Correspondence—especially Textile Chemistry and Dyeing. (Parts I, II, III, and IV, postage 4c. each.)