It
was horse-drawn and had a 2-cylinder mounted engine to furnish power for
the sprayer. Gift of U. S. Department of Agriculture, through E. D.
Burgess.

367. Truck Seat, about 1921. USNM 276080; 1967. This truck seat,
invented and manufactured by the Bostrom Corporation, is significant
because of its suspension system, which gave greater comfort and
convenience to the driver and came to be used in many truck and tractor
lines of several manufacturers. Gift of Bostrom Corporation, Milwaukee,
Wisconsin, through Karl Bostrom.

368. Tractor Seat, about 1921. USNM 276080; 1967. A suspension seat for
tractors produced by the Bostrom Corporation in 1921. It was used first
on the Oliver tractor. All seats now used on tractors derived from this
basic design. Gift of Bostrom Corporation, Milwaukee, Wisconsin, through
Karl Bostrom.

369. Hog Snouter, late 19th century. USNM 275604; 1968. The snouter is a
scissors-like device for clamping a ring in the pig's nose. The ring
prevents the animal from rooting under or against fences. Gift of Mr.
and Mrs. George E. Morgenstern of Lake Forest, Illinois.

370. One-Way Disk Plow, about 1924. USNM 277629; 1968. Invented in the
1920s but declared unpatentable by the Patent Office, the one-way disk
plow became commonplace in the dry farming areas of the Great Plains.
The disks, set at an angle, cast less furrow than a moldboard plow. This
specimen is a reconstruction of the original. Gift of Francis Angell,
Plains, Kansas.

371. Wine Press, about 1884. USNM 279451; 1968. The donor's father
brought this wine press to the United States from Rheinfeldon,
Switzerland, in 1884. Gift of Mrs. Clara Bieber, Washington, D. C.

372. Mill Picks, late 19th century. USNM 279452; 1968. Steel picks used
to repair and sharpen grooves in millstones. Gift of C. W. Wimberly, San
Marcos, Texas.

373. Seamless Flour Sack, late 19th century. USNM 279452; 1968. A fairly
typical flour sack of the time, although sacks with seams were more
common. Gift of C. W. Wimberly, San Marcos, Texas.

374. Sorghum Cane Mill, late 19th century. USNM 280276; 1968. A steel,
horse-powered mill, about 4 feet high and 3 feet in circumference, for
crushing sorghum stalks to produce syrup; factory made. Gift of Mrs.
Emery L. Stout, Lost Creek, West Virginia.

375. Midget Incubator, about 1945. USNM 280277; 1968. Midget incubator
and literature pertaining to it. This incubator was patented by E. A.
Braun in 1945 (Patent 2,5