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 745
t to ten men, or more, to carrythem. Put these irons under the ball of earth, as near the centre as pos-sible, leaving a space between them of about 2 ft., and for larger trees alittle more. Take two strong poles, about 8 ft. or 10 ft. long, and 3 in. or4 in. in diameter, and smaller at each end,… … Cross levers may be used for larger trees which require more men(b), so that as many men can conveniently apply their strength to it asare wanted, without being in each others way. The whole is fixedand unfixed without any loss of time, and requires no tying, nor is thereanv danger of its slipping…
