Phoenix Art Museum 1840s green gown: Unknown American or English designer. Day dress, 1840s. Changeant silk taffeta with silk laces and metal tips. Phoenix Art Museum 1840s green gown: Unknown American or English designer. Day dress, 1840s. Changeant silk taffeta with silk laces and metal tips. Rate the Dress: Wallflower or wower of 1840 The Dreamstress Happy Bridgerton month to all who celebrate! Lest we assume that all the costumes are pure fantasy in @bridgertonnetflix I am super excited to explore the realities of Georgian and Regency era Dark Green Evening & Formal Dresses Ever Pretty UK Spent the weekend inside an 18th century mantua maker's shop at the New York Historical Museum . We made a gown using period methods, cutting to the body, hand stitching, public fittings. No patterns.