A finely engineered model Williamson Columnal Engine built by B.F. Carter with brass bound, wood lagged cylinder 5/8in. bore x 1 1/8in. stroke, double bar type crosshead guides, gibbed and cottered big and little ends, rope driven govenor and spoked flywheel, finished in black, yellow and polished brightwork and cast bed -- 10½ x 5½in. (26.7 x 14cm.)