244. Miniature Plow, mid 19th century. USNM 239068; 1962. This plow was caught in a fisherman's net in the Susquehanna River near Havre-de-Grace, Maryland, in 1924. It probably was a display piece for the manufacturer. Purchased from F. P. Leithiser, Milford, Delaware. [Illustration: Figure 21.--John Deere sulky plow, about 1920. (Catalog No. 245.)] 245. Sulky Plow, about 1920. USNM 239073; 1962. An all-steel John Deere sulky plow. Purchased from Irwin Vette, Westboro, Missouri. 246. Tobacco Transplanter, late 19th or early 20th century. USNM 239063; 1962. The driver sat on a wooden water barrel on this horse-drawn tobacco transplanter. The men who set the plants in the furrow used the two seats in the rear. Gift of Pollitt Graybill, Diver, Kentucky. 247. Ice Cream Freezer, 1870. USNM 241690; 1962. Thomas Mills and Brothers of Philadelphia made this 40-quart commercial ice cream freezer which was patented on March 15, 1870. Gift of John G. Mills, Philadelphia, Pennsylvania. 248. Barbed Wire, about 1890-1900. USNM 230572; 1962. A sample of ribbon barbed wire. Gift of Don Holst, Washington, D. C. [Illustration: Figure 22.--Moline Universal Tractor, Model D, of 1918, in the Hall of Farm Machinery, National Museum of History and Technology. (Catalog No. 249.)] 249. Moline Universal Tractor, 1918. USNM 242414; 1962. This Model D is particularly unique in that it could be adapted as horse-drawn equipment and could be operated from its seat. It is light and versatile and equipped with front pulley drive and head lights. Gift of Minneapolis-Moline, Inc., Hopkins, Minnesota. 250. Two-Bottom Plow, 1918. USNM 242414; 1962. This plow is attached to the Moline Universal Model D tractor of 1918. Gift of Minneapolis-Moline, Inc., Hopkins, Minnesota. 251. Sulky Plow, 1880. USNM 242414; 1962. A Moline two-wheeled sulky plow. Three horses drew the plow, which has three singletrees and one doubletree. Gift of Minneapolis-Moline, Inc., Hopkins, Minnesota. 252. Grain Binder, 1935. USNM 422427; 1962. This McCormick-Deering grain binder cut the grain and, by means of an apron, carried it through a bundling and tying mechanism. The bundles of grain fell into a set of forks which the operator released. The machine is covered by Patents 1,328,781 and 1,464,736. It is similar to binders used in the 1880s. Gift of J. D. Major, Belton, South Carolina. [Illustration: Figure 23.--Cattle dehorner. (Catalog No. 253.)] 253. Dehorner, about 1920. USNM 242977, 1962. This implement, used to trim cattle horns, works like a gigantic clipper. Gift of Newton E. Wiat, Arlington, Virginia. 254. Portable Steam Engine, 1869. USNM 246139; 1962. The first portable steam engine built by the J. I. Case Company in 1869. It burned wood and developed 8 hp. Gift of J. I. Case Company, Racine, Wisconsin. 255. Japanese Cultivating Machine, 1960. USNM 242908; 1962. This Japanese Model KF850 power cultivator has a detachable rotary hoe and a diesel engine with direct drive.