Collection of terylene fibres, 7 specimens: a) Circular dull filament on bobbin; b) Trilobal bright filament on bobbin; c) Circular dull filament on spool; d) Trilobal bright filament on spool; e) "Crimplene" cirular dull filament, false twist bulked; f) "Crimplene" inlobal, bright, false twist bulked; g) Trilobal, bright, knit-de-knit, bulked. A collection of terylene fibre specimens, donated in 1972