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- Rotary hoe, 1955
- 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...
- University Photographs
- Beginning of Digital Electronic Computing
- Atanasoff, John V. (John Vincent) ;
- John Vincent Atanasoff
- School garden near Smithsonian Institution grounds, Washington, D.C.
- Landscape architecture; Gardens; Schools; Smithsonian Institution; Washington, DC
- School garden near Smithsonian Institution grounds, Washington, DC
- Warren H. Manning
- School gardens near Smithsonian Institution
- Landscape architecture; Gardens; Schools; Smithsonian Institution; Washington, DC
- School gardens near Smithsonian Institution, Washington, DC
- Warren H. Manning
- Steel-wheeled tractor with weeder, 1945
- 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...
- University Photographs
- Steel-wheeled tractor, 1935
- Farm Equipment; Agriculture; Iowa State University;
- A field being plowed by a steele-wheeled tractor pulling a small plow. A man in work clothes is driving the tractor. On the horizon is a farmstead.
- University Photographs
- Steel-wheeled tractor, 1935
- 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.
- University Photographs
- Three-horse hitch, 1906
- Farm Equipment; Agriculture; Iowa State University;
- Seven men and a dog are pictured. Testing of a three-horse manure spreader, October 15, 1906.
- University Photographs
- Tractor mounted cultivator, 1945
- 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.
- University Photographs
- Tractor with attached field cultivator, 1955
- 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...
- University Photographs
- Tractor-mounted six-row culitvator, 1926
- 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....
- University Photographs
- Tractor-mounted six-row culitvator, 1926
- 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....
- University Photographs
- Utility wagon and chicken coop, 1941
- Farm Equipment; Agriculture; Iowa State University;
- A general utility wagon hitched to a coop. A crate filled with white chickens is balanced on the wagon. A workman is standing next to the wagon and looking into the crate. Farm utility buildings are in the background.
- University Photographs
- Wagon bed used during sheep shearing, 1904
- Farm Equipment; Agriculture; Iowa State University;
- A two horse team hitched to a wagon bed on which has been built an open framing covered with poultry wire, and in which are six sheep and a man shearing one of the sheep. Temporary signs on the wagon are turned except for one, which reads...
- University Photographs