345. Butter Worker, late 19th century. USNM 268199; 1966. This butter worker consists of a wooden tray (3 feet by 2 feet) and a grooved wooden roller. The roller is passed over the butter in the tray by means of a hand crank, thus working the excess water to the top of the butter where it could be poured off. Gift of Museum of Science and Industry, Chicago, Illinois. 346. Grain Scoop, late 19th century. USNM 268199; 1966. This wooden grain scoop, or possibly flour scoop, measures 12 inches by 18 inches and has a 4-foot handle. Gift of Museum of Science and Industry, Chicago, Illinois. 347. Barrel Churn, 1876. USNM 268199, 1966. This rocking churn consists of a wooden barrel of 5-gallon capacity and a wooden "X" type stand. It was in use in 1876. Gift of Museum of Science and Industry, Chicago, Illinois. 348. Plunger Churn, late 19th century. USNM 268199; 1966. A small (1 gallon) plunger-type butter churn which consists of a wooden barrel and a wooden paddle attached to a 3-foot handle. Gift of Museum of Science and Industry, Chicago, Illinois. 349. Tobacco Hogshead, 1869. USNM 249254; 1966. A tobacco hogshead reconstructed from a picture appearing in Harper's Weekly of December 11, 1869. The hogshead, constructed of rough lumber, is 6 feet long and 4 feet in diameter. A horse or mule was hitched to the hogshead. Gift of Laross & Bros. Co., Richmond, Virginia. [Illustration: Figure 28.--Fordson tractor (1918) before restoration work. The winch and wheel fenders were added by the tractor's owners. (Catalog No. 350.)] 350. Fordson Tractor, 1918. USNM 268896; 1966. The 1918 Fordson was the first tractor marketed by the Ford Motor Co. for domestic use. Its four-cylinder gas engine developed 20 hp. The tractor measures 42 inches across the rear wheels and 28 inches across the front. The rear wheels, of steel, have riveted lugs. A winch has been added in the front. Gift of Thomas A. DeLong, New York, New York. 351. Steel Bear Trap, 1876. USNM 4882; 1966. This is a typical bear trap of the late 19th century. It has steel jaws with a spread of 11-3/4 inches and a wrought-iron pan. It weighs 17 pounds. Gift of Oneida Community, New York. 352. Steel Deer Trap, 1876. USNM 4772; 1966. This is a No. 4 steel deer trap manufactured by the Oneida Community in the late 19th century. It has steel jaws with a spread of 6-1/2 inches, a wrought-iron pan, and a double spring. Gift of Oneida Community, New York. 353. Steel Beaver Trap, 1876. USNM 4772; 1966. A double-springed, steel beaver trap. Gift of Oneida Community, New York. 354. Steel Otter Trap, 1876. USNM 4772; 1966. This trap has a double spring and a jaw spread of 5-1/2 inches. Gift of Oneida Community, New York. 355. Steel Fox Trap, 1876. USNM 4772; 1966. This steel, No. 2 fox trap has a double spring and a jaw spread of 4-7/8 inches. Gift of Oneida Community, New York.