From Laughing Moon Mercantile:
Ladies' Regency and Romantic Era Corset, Corded and Theatrical Versions, with Chemise, approximately 1805*1840. View A is a traditional lightly boned, corded corset with slashed and inserted gussets. The corset is lined and corded with cotton string. It is constructed with 5 major pieces, shoulder straps, and eight gussets. The corset is bound on top and bottom. Metal eyelets were invented in 1828 and can be used, or the eyelets can be hand worked. View B is a theatrical version designed to give the same relative silhouette with a simpler construction. It has seven major pieces, shoulder straps, and two gussets. Suggestions are given for boning. Chemise: It is constructed of two major pieces with shoulder straps, sleeves, and sleeve gussets. It has a drawstring neckline all the way around. View A