Talk:Heirloom sewing

What is "insertion"?
This question has come up in another article.

Harper's New Monthly Magazine, No. CXLIII-April, 1862-Vol. XXIV-No. 143, page 720

Fashion for April - Furnished by Mr. G. Brodie, 300 Canal Street, New York, and drawn by Voigt from actual articles of Costume. The Infant's Robe is specially designed for baptismal use. It is composed of fine nansouk and insertion. If the child is a boy, the ribbon sash is blue; if a girl, it is of pink taffeta. Zyxwv99 (talk) 23:27, 20 January 2016 (UTC)