Minerva Boucle Yarn (1930s)Edit
1 ounce, 85 yards per ball
A lace weight boucle yarn.Edit
For Suits and Sweaters for Women and Children (1933)
It was likely a rayon or rayon blend yarn.
"This yarn is interchangeable with any yarn of Group 2 by using one size smaller needles." (1933)
Shown in Interchangeable Group 1 in 1934.
"Minerva Yarns in interchangeable group No. 1 are all Rayon Yarns" (Minerva Style Book # 38, 1934)