Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (115 total)

Dynamometer, 1934

Dynamometer, 1934

A tractor driver and Iowa State Professor J.B. Davidson looking at an Iowa integrating and recording traction dynamometer, mounted on the linkage between the tractor and the piece of farm machinery being pulled. The farm tractor has rubber tires. The…
Dynamometer, 1934

Dynamometer, 1934

A tractor driver and Iowa State Professor J.B. Davidson looking at an Iowa integrating and recording traction dynamometer, mounted on the linkage between the tractor and the piece of farm machinery being pulled. The farm tractor has rubber tires. The…
Earl O. Heady standing in front of a tractor at Kibbutz Na'an, Israel, 1983

Earl O. Heady standing in front of a tractor at Kibbutz Na'an, Israel, 1983

Earl O. Heady stands in front of a tractor at Kibbutz Na'an, Israel, March 19, 1983.
Earl O. Heady standing in front of a tractor at Kibbutz Na'an, Israel, 1983

Earl O. Heady standing in front of a tractor at Kibbutz Na'an, Israel, 1983

Earl O. Heady stands in front of a tractor at Kibbutz Na'an, Israel, March 19, 1983.
Earl O. Heady with farm machinery at Kibbutz Na'an, Israel, 1983.

Earl O. Heady with farm machinery at Kibbutz Na'an, Israel, 1983.

Earl O. Heady walks past farm machinery at Kibbutz Na'an, Israel, 1983.
Earl O. Heady with farm machinery at Kibbutz Na'an, Israel, 1983.

Earl O. Heady with farm machinery at Kibbutz Na'an, Israel, 1983.

Earl O. Heady walks past farm machinery at Kibbutz Na'an, Israel, 1983.
Farm freight wagon with corn, 1955

Farm freight wagon with corn, 1955

A horse-drawn farm freight wagon full of husked corn on a gravel road. Seen from behind, the driver has turned to look at the camera. The rubber-tired wagon is being pulled by a two-horse team.The background countryside suggests very late fall or…
Farm freight wagon with corn, 1955

Farm freight wagon with corn, 1955

A horse-drawn farm freight wagon full of husked corn on a gravel road. Seen from behind, the driver has turned to look at the camera. The rubber-tired wagon is being pulled by a two-horse team.The background countryside suggests very late fall or…
Farm machinery exhibit, 1904

Farm machinery exhibit, 1904

A farm machinery exhibit indoors. The machinery is exhibited inside an open industrial space with two floors. November 1904.
Farm machinery exhibit, 1904

Farm machinery exhibit, 1904

A farm machinery exhibit indoors. The machinery is exhibited inside an open industrial space with two floors. November 1904.
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