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 481
. Thispit is suitable either for growing pines in their first stages orfruiting state. In the back part of this pit, I should also have ashelf of wood, supported by small iron brackets, for holding potscontaining vines or other plants, as shown. The upright lineswithin the walls represent piers… … Fig. 42. Section of a Pine-Pit. having a greater volume of air between the soil and glass, is tobe heated by hot water when it is necessary. A pit so largewill seldom be over-heated, and therefore no vacuity is shownwithin the walls; but, should it at any time become so, the liningmust be prised…
