This wash stand appeared in Sheraton’s The Cabinet Dictionary (1803).
This corner piece has a “night convenience”, with some technical cabinetry to prevent the stool portion from coming to far out.
For more Sheraton designs see these posts:
Regency Household: A Sheraton Sideboard – Regency Reader (regrom.com)
Regency Household: Sheraton Alcove Bed – Regency Reader (regrom.com)
Regency Household: Sheraton Buffet – Regency Reader (regrom.com)
