1820, Robert Jackson, A Sketch of the History and Cure of Febrile Diseases: More Particularly as They Appear in the West-Indies among the Soldiers of the British Army, London: Baldwin, Craddock & Joy, Volume 2, Chapter V, Section II, p. 221,
It is indispensable that the whole be well ventilated, the windows jalousied, reaching from the ceiling to the floor, made to open as folding doors so that the ventilation be free as if the roof rested only on pillars.