Cottage residences, or, A series of designs for rural cottages and cottage villas, and their gardens and grounds adapted to North America (1863)
Downing, A. J. (Andrew Jackson), 1815-1852, author · New York : John Wiley · leaf 139
101 COTTAGE RESIDENCES. nicely fitting valve at g. When it is … the water-closet, at such a distance from the hinge, say a foot, as will suffice to lift up the valve g ; or the same purpose might be effected by a lever which would be acted upon every time the door was opened. In every case where it is intended that a common or lever valve should be operated on…
Architecture, Domestic
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.