Steel engraving. Bell's Improved Reaping Machine by Crosskill. About the full size. / C. Varley delt. ; J. W. Lowry sc. - Published by Blackie & Son, Glasgow, Edinburgh, & London nd. [1851-63]. Engraving, steel; [c16x24cm]. Book plate, Plate CLIII from an edition of: Cyclopedia of Agriculture, practical and Scientific / ed. by the agriculturist John Chalmers Morton (1821-1888), published variously between 1851, 1856, 1863, and 1875 (as Plate XXXV). Features the reaper devised by Patrick Bell (1799-1869) constructed from about 1826; Bell presented the actual reaper to the Science Museum in 1868