Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (150 total)

Farmer with wagon of crops harvested by the combine, 1955

Farmer with wagon of crops harvested by the combine, 1955

A farmer stands next to the crops deposited in the wagon by the combine, with the Washington County, Iowa farm visible in the background.
Crops pouring from the chute of the combine into a wagon, 1955

Crops pouring from the chute of the combine into a wagon, 1955

Crops pour from the chute of the combine into a wagon, with the farmer sitting on the combine in Washington County, Iowa.
Professor Johnson discussing sprinkler irrigation equipment with students, 1957

Professor Johnson discussing sprinkler irrigation equipment with students, 1957

Professor Howard Johnson (in tie) discusses the design and operations of sprinkler irrigation equipment with agricultural engineering students in lab class.
Three students working on a project in the Hydraulics Lab, 1957

Three students working on a project in the Hydraulics Lab, 1957

Three students work on a project in the Hydraulics Lab.
Engineering student adjusting a surveyor's transit, 1957

Engineering student adjusting a surveyor's transit, 1957

Agricultural engineering student Roderick Hall adjusts the surveyor's transit one step in the engineering control of soil and water resources.
Professor Johnson and three students investigating water hydrant fixtures, 1957

Professor Johnson and three students investigating water hydrant fixtures, 1957

Professor Howard Johnson helps one student adjust a water hydrant fixture, while two others observe in a lab class about sprinkler irrigation equipment.
Student performing plane table surveying using an alidade, 1957

Student performing plane table surveying using an alidade, 1957

A student performs plane table surveying using an alidade on a topographic map.
Student using tools on a relief map, 1957

Student using tools on a relief map, 1957

A student uses tools on a relief map.
Three men work with scientific apparatus in the Farm Machinery Lab, 1957

Three men work with scientific apparatus in the Farm Machinery Lab, 1957

Don Hunt (left), graduate student Graeme Quick from Australia (center) and Clarence Bockhop (right) work with scientific apparatus in the Farm Machinery Lab.
Student studying the stilling basin of a chute model, 1957

Student studying the stilling basin of a chute model, 1957

Bob Davis studies the stilling basin of a chute model which is used in soil erosion control.
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