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
ary. 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 back with a stick, to admit cooling air to thewalls. One of Rogerss conical boilers is shown in the plan,Jig. 43., as also the pipes (g),… … Fig. 43. Plan of Part of a Pine-Pit, showingRogerss Boiler and Pipes. Fig. 44. Section of a Plant-Pit. horizon, which is considered to be the most suitable angle forthe purpose. Fig. 44. is a plant-pit, sunk 18 in. into the ground, and filled 460 Construction of Melon, Pine, and Plant Pits. in with…
