1880 (Catalog
No. 137) is in right foreground.]

241. Holt Combine, 1887. USNM 236419, 1961. Benjamin Holt made this
combine around 1887. Its main feature is the use of linked, wrought-iron
chain belts for the drive rather than a system of gears as commonly
found on combines of that day. Gift of Mrs. C. Parker Holt, Stockton,
California.

242. Waterwheel and Shafting, mid 19th century. USNM 238174; 1961.
Components of a one-blade, sash sawmill. Purchased from Robert E.
Clement, Chester Springs, Pennsylvania.

243. Apple Parer, about 1760. USNM 240544; 1962. The operator sat on the
wooden seat and turned a crank which rotated the apple fastened to a
spindle. When held at the proper contact, the knife peeled the rotating
apple. Purchased from Mrs. Gladys Harbst, Butler, Ohio.

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