Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (636 total)

Doing his best to queer the birth control program.

Doing his best to queer the birth control program.

Don't cut it off! The Doctor's on the way.

Don't cut it off! The Doctor's on the way.

Down helping the farmer beat Hoover.

Down helping the farmer beat Hoover.

Drainage from straight row farming

Drainage from straight row farming

Color slide of a field with straight crop rows.

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Dry cropland, 1988

Dry cropland, 1988

Series of color slides of dry cropland. (14)

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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…
Easy enough if it weren't for the neighbor's children.

Easy enough if it weren't for the neighbor's children.

Easy enough to whip separately but not collectively.

Easy enough to whip separately but not collectively.

Easy to take and good for the whole family.

Easy to take and good for the whole family.

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