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 600
Fig. 63. is an elevation of part of the wall showing the piers (the one risinghigher than the other, as the wall ascends a sloping surface), and the curtainsdrawn aside. Fig. 64. is a ground plan of the same portion of the wall; in which a is thedug border, b the rising and falhng board, c fixed…
