Cyclopedia of textile work : a general reference library on cotton, woolen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects (1911)
American School (Lansing, Ill.) · Chicago : American school of correspondence · leaf 41
Fig. 8 up of innumerable individual cells; when examined carefullyunder the microscope it will be found to consist always of two andsometimes of three portions.These three portions are: (1) External or liorny covering. (2) Cortical or underlying body of fibre. (3) Medullary or central portion.…
Textile fabrics · Textile industry
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.