or (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.

356. Steel Mink Trap, 1876. USNM 4772; 1966. This trap has a single
spring and a jaw spread of 4-7/8 inches. Gift of Oneida Community, New
York.

357. Steel Muskrat Trap, 1876. USNM 4772; 1966. This muskrat trap has a
single spring and a jaw spread of 4 inches. Gift of Oneida Community,
New York.

358. Steel Rat Trap, 1876. USNM 4772; 1966. This trap has a single
spring and a jaw spread of 3-1/2 inches. Gift of Oneida Community, New
York.

359. Bottle of 2,4-D Herbicide, 1944. USNM 268668; 1966. This bottle
contains a small amount of the original purchase of 2,4-D by the U. S.
Department of Agriculture from the American Chemical and Paint Company
of Ambler, Pennsylvania, in 1944. It cost $12.50 a pound at the time.
Scientists at the Department of Agriculture used the material in
extensive experiments on plant growth inhibitors. Subsequently, 2,4-D
became the most common chemical used for weed killing. Gift of Dr. J. W.
Mitchell, University of Maryland, through Gale Peterson, University of