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 553
rom b to c; after which continue to trainthem horizontally. If the wall is from 30 to 40 ft. in length, plant the tree inthe middle of it, at d in Jig. 89, and proceed as follows : —Stick a nail in the wall in the centre, near the top, at e; stickanother nail at J, and another at g: then strike a… … If the wall is higher than it is wide, proceed as follows : —- Plant the tree in the middle ofthe wall at h, in Jig. 90,; stickone nail at i, one at k, and oneat I: strike the lines as before;but, instead of spreading out theshoots horizontally, train themperpendicularly. This processanswers well…
