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 194
obtained: the lower pipe should entei* the boilei- wheie it has least tend-ency to cool and check the fluid rising to the upper pipe from the firesurface. 7th, In a close boiler a pipe may, at any distance from the boiler, nseto any height and descend again ; but it must neither rise twice, nor…
