Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (150 total)

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 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 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.
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.
Student taking notes on refrigeration experiment, 1957

Student taking notes on refrigeration experiment, 1957

John Hermnson, agricultural engineering senior, takes notes on a refrigeration experiment. Instruments record temperatures and electrical information, which will be used in the engineering report.
Student taking notes on refrigeration experiment, 1957

Student taking notes on refrigeration experiment, 1957

John Hermnson, agricultural engineering senior, takes notes on a refrigeration experiment. Instruments record temperatures and electrical information, which will be used in the engineering report.
Student using tools on a relief map, 1957

Student using tools on a relief map, 1957

A student uses tools on a relief 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.
Student with measuring rod, 1942

Student with measuring rod, 1942

A man is standing in a plowed field measuring the depth of a furrow with a measuring rod. The furrow is considerably lower than the surrounding area.
Student with measuring rod, 1942

Student with measuring rod, 1942

A man is standing in a plowed field measuring the depth of a furrow with a measuring rod. The furrow is considerably lower than the surrounding area.
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