See also the TRC Needles entry on worsted thread.
Source: BURNHAM, Dorothy (1980). Warp and Weft. A Textile History, Toronto: Royal Ontario Museum, p. 192.
GVE
Woollen thread is a general term for any thread or yarn made from wool, but the specific term describes a thread made from carded rather than combed wool fibres. The term applies to single and plied forms.
See also the TRC Needles entry on worsted thread.
Source: BURNHAM, Dorothy (1980). Warp and Weft. A Textile History, Toronto: Royal Ontario Museum, p. 192.
GVE