The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 150
o changethe air of the house, this is not done by opening the sashes inthe usual way, but by taking the stoppers out of two open-ings into the back drain which contains the hot-water pipes, oneat each end, and communicating with the open air. These open-ings are so small, that each may be filled up… … air-tight; those in the sheds, being of rough boards rudely joined,have the joints covered with strong paper pasted or glued on :if the openings were carried up in the wall, of course this casewould not be requisite. This description and these diagramshave been made entirely from recollection of a…
