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 474
together; c c are the slates ; d d, the rafters; and e the gutter beam. Thefall found requisite to carry off the water is found to be from a half to three
