Photograph of a 2B model, Krussow Double spiral 2-unit seed separator which operates by gravity and can be utilized in separating balboa rye seed (oblong) from hairy vetch seed (round) after chaff and foreign matter have been removed by a regular seed cleaner. A Future Farmers of America [FFA] demonstration that bags, separates and cleans their own and farmers' seeds in their area on a custom basis to raise funds for their chapter. AR-16, 42. Cf. https://gateway.okhistory.org/ark:/67531/metadc1773213/

Photograph of ladino clover growing in slightly wet land. Dennis silty clay. AR-61, 599.

Photograph of Prof. C. X. McClelland and a class of WW II, veterans and Asst. Prof. W. J. Wiser standing in part of 110 acres of sericea lespedeza. The sericea is now in its 14th growing season and has produced better than 2 tons of hay per acre each year.

Photograph of a combination seed huller, scarifier, cleaner and grader. This machine was operated at about 1200 rpm with a 3 to 5 horsepower gasoline motor and cleaned at the rate of 1000 pounds of cleaned seed per day. The loss in weight from unhulled, unscarified seed from the grain operator varied from 15% to 35% in weight where average loss was 25%. AR-D25-31.