den, four-tined fork used for handling barley. Gift of Dr. Frank
Horsfall, Blacksburg, Virginia.

275. Wooden Wheelbarrow, 20th century. USNM 262250; 1965. All parts of
this wheelbarrow are homemade. Gift of Dr. Frank Horsfall, Blacksburg,
Virginia.

276. Wooden Wheel, 19th century. USNM 262250; 1965. A wooden wheel used
on a wheelbarrow. Seven separate parts to the wheel illustrate the
general construction of wooden wheels. Gift of Dr. Frank Horsfall,
Blacksburg, Virginia.

277. Grain Sack, about 1865. USNM 263077; 1965. Peter Brugler Snyder
used this grain sack about 100 years ago on his farm near Montour Falls,
New York. The initials P. B. S. appear on the sack. Gift of Howard S.
Rappleye, Washington, D. C.

[Illustration: Figure 25.--Corn sheller. (Catalog No. 278.)]

278. Corn Sheller, about 1898. USNM 264779; 1965. A corn sheller that
was operated by means of a hand crank. Gift of Dr. Stephen Lang, San
Fernando, California.

279. Barbed-Wire Display Panel, about 1940. USNM 264475; 1966. Display
panel of 78 different types of barbed wire. Gift of Dr. Frank Horsfall,
Blacksburg, Virginia.

280. Barbed Wire, about 1878. Eight pieces of "Brotherton Barb," a wire
patented by J. Brotherton of Ames, Iowa, in 1878; Patent 207,710. It
became very popular, and was second only to Glidden's "The Winner" in
sales. It had nonslipping barbs and was easy to make.

281. Barbed Wire, about 1882. "Baker Perfect," a barbed wire invented by
George Baker of Des Moines, Iowa. It was popular and widely used but
never patented.

282. Barbed Wire, about 1881. From Jefferson County, Iowa. Patented by
Edward M. Crandall of Chicago, Illinois, in 1881; Patent 247,540.

283. Barbed Wire, about 1876. Two pieces of "Twist Oval," a wire
patented by Josiah F. Glidden of De Kalb, Illinois, in 1876; Patent
181,433. The use of oval wire shows an effort to prevent slipping of the
barb.

284. Barbed Wire, about 1877. From Nodaway County, Missouri. Patented by
Henry M. Rose of Waterman, Illinois, in 1877; Patent 198,688.

285. Barbed Wire, about 1878. From Jefferson County, Iowa. Patented by
Michael Daley of Waterman, Illinois, in 1878; Patent 209,467.

286. Barbed Wire, date unknown. From Jefferson County, Iowa. A handmade
specimen made with a tool in this collection.

287. Barbed Wire, about 1875. "Dobbs and Booth," patented by John Dobbs
and Benjamin Booth of Victor, Iowa, in 1875; Patent 171,105.

288. Barbed Wire, about 1877. From