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 454
or passes can exceed in magnitude the dis-tance of one plate from the other. By the addition of platesjit can so operate upon the surface as to supersede the neces-sity of the harrow or roller; either of which, in wet seasons,on many lands, is of more injury than service. Mr. G. Bart-lett has found… … Bartletts cultivator consists of a roller{Jig- 87.) composed of thirteen thin ironplates, each fastened to a circular block ofwood of 4 in. in thickness, and bound roundwith iron. Both plates (a) and blocks (b)are movable on an iron axle, and the sizeof both {tfig. 88.) may be increased or…
