Show purse from sow s ear A feature of the exhibit arthur D little inc at atthe the X dional exposition of Cher chemical i destries dus tries in 1921 was a silk actually made dinst ni out of a the ear was made into glue ear ened with water sa brought aim a C to the point ol of precipitation wi acetone then forced through va warm container into it 1 a sp and through this into a harden solution of formaldehyde R and in a V tube it was picked acetone of the V tube reeled va d da treated to a 40 per cent glyceria glY glyce ceris bath in which it was also deek avri then reeled and dried again v W i 3 0 nuy en and sewed up |