256. Wooden Grain Fork, about 1870. USNM 252786; 1963. A four-tined wooden fork for handling bundles of grain. It was used by the donor's grandfather on his farm in Maryland. Gift of C. Gordon Dentry, Washington, D. C. 257. Model of Lawn Mower, 1962. USNM 256817; 1963. A model of the Suburbia 38, a riding mower powered by a 5-3/4-hp gasoline engine with three speeds between 1/2 mph and 4-1/2 mph. Gift of Herman Becker, Washington, D. C. 258. Broadcast Seeder, about 1892. USNM 257164; 1964. A hand-cranked seeder. Gift of Milton J. Brandon, Silver Spring, Maryland. 259. Tobacco Axe, mid 20th century. USNM 257163; 1964. A tobacco axe used to harvest sun-cured tobacco in the Connecticut Valley region. Gift of Minner J. Cooper, Windsor, New York. 260. Daveat Milk Sterilizer, 1959. USNM 259871; 1964. An autoclave combined with vacuum chambers and other devices that sterilized and canned milk or other liquid dairy products. The process preserved the product with a minimum loss of nutritional value and without causing coagulation. Patent 2,899,320 granted to Elmer S. Davis, August 11, 1959. 261. Hay Bale Hooks, 19th century or later. USNM 260120; 1965. Two bale hooks. Gift of E. Peterkin, Forest Heights, Maryland. 262. Model of Huber Steam Tractor, 1901. USNM 261334; 1965. An operable scale model of a 1901 Huber steam tractor. Gift of Raymond Stout, Washington, D. C. 263. Hand Cultivating Hoe, 20th century. USNM 262244; 1965. A three-tine, curved cultivating hoe probably used in vegetable gardening. Gift of Arnold Miles, Bethesda, Maryland. 264. Cast-Iron Implement Seat, about 1890. USNM 262243; 1965. A cast-iron seat typical of those found on late-19th and early-20th-century farm implements. Gift of K. E. Clark, Los Angeles, California. 265. Grain Flail, 1840. USNM 262250; 1965. A typical flail used in Wisconsin in 1840 for threshing grain. Gift of Dr. Frank Horsfall, Blacksburg, Virginia. 266. Turkey Collars, late 19th century. USNM 262250; 1965. Small leather collars, with bells attached, placed on turkeys at a time when farmers typically let their poultry run loose. Gift of Dr. Frank Horsfall, Blacksburg, Virginia. 267. Branding Iron, 20th century. USNM 262250; 1965. A #30 branding iron, circle W, used to mark cattle. Gift of Dr. Frank Horsfall, Blacksburg, Virginia. 268. Riding Spurs, 1890 or later. USNM 262250; 1965. Gift of Dr. Frank Horsfall, Blacksburg, Virginia. 269. Harness Hames, early 20th century. USNM 262250; 1965. Brass knobs from the collar of a horse's harness. Gift of Dr. Frank Horsfall, Blacksburg, Virginia. 270. Reaper Hook, about 1860. USNM 262250; 1965. A hand sickle used for harvesting grain. Gift of Dr. Frank Horsfall, Blacksburg, Virginia. 271. Iron Pot Hooks, late 19th century. USNM 262250; 1965. Pot hooks made of two pieces of heavy wire hinged on the ends. The hook fastened onto pots to remove them from open fires. Gift of Dr. Frank Horsfall, Blacksburg, Virginia.