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 489
in lairing out Grounds. 463 … To form a Volute where the Border is narroxoer toxsoard the Centre^like the shell of a snail, {fig. 72.) Make a circle asbefore, and, instead ofdriving the pegs up-right, let them form acone; or, instead ofpegs, use a large flower-pot whelmed, and, ifnecessary, a smallerone whelmed over it.Measure…
