Spirella Catalogue (1933) — Page 79 (1933)
“ THE 377 SERIES Style 378—Maternity Support ADAPTABILITY—This series is designed for maternity use for the 20, 60 and 30-type figures.The garment is scientifically designed to give a sling support with the uplift upward and backward. The sections are so shaped, and the three lacings so placed that through regulating the adjustment the garment can be made to meet the changing requirements of the figure throughout the period of pregnancy. The flexible clasp, together with the holding-knots in the groin which give a positive point of control, insures the correct support with comfort. ”
