Farm Equipment; Agriculture; Iowa State University;
A demonstration of plowing with a six-horse and mule hitch, a technique that reduces side draft and increases efficiency. A large gathering of men are on both sides of the furrow as the driver plows ahead toward the end of the field on the image...
Farm Equipment; Agriculture; Iowa State University;
The operation of a pulverator and drill in an untilled field. The tractor pulling the machinery has unusually light and narrow steel wheels. The photograph is from the rear. A roadway fence line at the edge of the field is in the middle distance.
These Board of Directors’ records, 1839-1872, include handwritten minutes for meetings of the Association. The information includes attendance, officer and committee lists, presentations, proposals for membership, and resolutions.
Farm Equipment; Agriculture; Iowa State University;
The operation of a rotary hoe, used for early cultivation of corn. The hoe, weighted with four weight boxes, is being pulled by a Farmall rubber tired tractor. The machinery is moving away from the camera across a very large field of very young...
A shepherd with a sheep dog and a small flock of sheep on central campus with the Campanile in the background. An unpaved campus road way is in the image foreground. An ""ISC"" (standing for Iowa State College, now University) photographer's...
A flock of sheep on the central campus lawn near the Campanile, which is in the background of the image. A shepherd and his dog are standing with the sheep on the near side of an unpaved road which cuts cross the central campus. The insignia of a...
Farm Equipment; Agriculture; Iowa State University;
A rear view of a steel-wheeled tractor with a spring tooth weeder rear attached for cultivation in a process that kills weeds and levels inter-row soil. The driverless tractor is in the midst of tilling a corn field with corn approximately 20...
Farm Equipment; Agriculture; Iowa State University;
A driver on a steel-wheeled tractor pulling a plow with an unusual chain gearing system. A tree line in the background is the boundary for the field of corn stubble being plowed.
The Campanile in the summer of 1906. A small number of men are on the lawn in front of the Campanile, one of which appears to be throwing a ball. A bicycle is leaning against a tree on the left of the image.
Women in chemistry--Archives; Women chemists--Biography; Women in science; Women scientists; Camille & Henry Dreyfus Foundation, Inc.
Sue M. Hanlon received her B.S. (1954) from Louisiana State University and a PhD (1961) from the University of California, Berkeley in Biochemistry. She is currently a Professor Emeritus Professor Emeritus for the Department of Biochemistry &...
Farm Equipment; Agriculture; Iowa State University;
A closeup view of a tractor mounted cultivator with a pair of disk hillers and two pairs of sweeps per row for final corn cultivation. The tractor has steel wheels. The corn being cultivated is approximately three feet high.
Farm Equipment; Agriculture; Iowa State University;
A rubber tired tractor with an attached field cultivator preparing a seedbed for corn. The tractor is stationary without a driver. It is viewed at middle distance from the rear, in the middle of a large field, untilled except for where this...
Farm Equipment; Agriculture; Iowa State University;
A tractor-mounted six-row cultivator seen from the rear. One man is driving the tractor.One man is also seated on each of the two rear sections of the cultivator, one on each side of the machine. The machinery and the tractor have steel wheels....
Farm Equipment; Agriculture; Iowa State University;
A tractor-mounted six-row cultivator seen from the front. One man is driving the tractor.One man is also seated on each of the two rear sections of the cultivator, one on each side of the machine. The machinery and the tractor have steel wheels....
