Columbia-Minerva Nantuck Sweater and Afghan Yarn: Worsted weight. 100% acrylic. 170 yards per ball.
Minerva Boucle was a lace weight boucle yarn. It was sold in 1 oz/ 85 yard balls. 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)