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 366
by Messrs. Warner, is figured and described in the Register of Arts,part xxxv. p. 14. The general form (fig. 59.) is the same as that ofMr. MacdongalPs but, instead of the valve employed by the latter, the rose head (fig. 60.) is initself a valve, which, says theeditor of the Register, rendersthe…
