Also on these boards
c. 1810 - 1820 Early 19th Century Ayrshire Embroidered Whitework Muslin Stole, Antique Dress Gallery
Man's dressing gown, cotton, early 19th century, British. I seem to recall that an almost identical dressing gown was includeed in "Underwear Fashion in Detail," and that was supposed to be made of wool. Also, the fabric doesn't look cottony, so I'm gonna suggest that this might actually be made of wool, whatever the museum says.
early 19th century linen petticoat, American - in the Metropolitan Museum of Art costume collections.
early 19th century cotton cape, British - in the Metropolitan Museum of Art costume collections.