of Statistical Reporting Service, U. S. Department of Agriculture.

382. Viking Garden Tractor, about 1916. USNM 287592; 1969. A garden
tractor with a gasoline engine and equipped with cultivator prongs. The
operator walked behind the tractor and guided it down the rows. Gift of
Woodson High School, Fairfax, Virginia.

383. Clam Rake, mid 20th century. USNM 284898; 1969. A small rake, with
tines about 10 inches long and a handle of about 2 feet, used by a clam
digger on Cape Cod. Gift of Kurt Vonnegut, Jr., West Barnstable,
Massachusetts.

[Illustration: Figure 32.--Scale model of Aultman-Taylor steam tractor
of 1892. (Catalog No. 384.)]

384. Model of Aultman-Taylor Steam Tractor, 1892. USNM 285053; 1969.
This scale model is fully operative and correct in every detail. It is
about 3 feet long, 1 foot high, and 6 inches wide. Gift of Mrs. Raymond
Stout, Washington, D. C.

385. Maps of U. S. National Forests, 1908. USNM 284897; 1969. Eight
maps. Regional maps of forest reserves in the U. S. and territories as
of 1908. Transferred from Division of Mechanical and Civil Engineering,
National Museum of History and Technology.

386. Corn Sheller, late 19th century. USNM 285052; 1969. This
factory-made implement is all wood except for the teeth and gears. It
could handle only one ear of corn at a time and it was neither shaped
properly nor adjustable enough to get the nubbins. Gift of Daniel
Gartling, Cockeysville, Maryland.

387. Grass Mower, about 1930. USNM 285052; 1969. This mower,
manufactured by International Harvester, has a gasoline engine. The
cutters are similar to mower and reaper cutter-bars, but there is no
protective cover on the cutting mechanism. Gift of Daniel Gartling,
Cockeysville, Maryland.

388. Spring-Toothed Harrow, early 20th century. USNM 285052; 1969. This
was a commonplace implement of its type and period. The steel frame,
measuring about 4 feet by 4 feet, was designed to be linked into gangs
of harrows, of whatever size desired, and to be pulled by horses or
tractors. Made by J. I. Case Company. Gift of Daniel Gartling,
Cockeysville, Maryland.

389. McCormick-Deering Cream Separator, 1920s. USNM 285052; 1969. A
hand-powered, centrifugal cream separator commonly found on dairy and
other farms all over the country in the late 19th century and early 20th
century. The original owner kept this specimen for replacement parts but
he never needed it for that purpose. It is complete and fully
op