Browse Items · Iowa Heritage Digital Collections

Steel roof experiment, 1938

A group of three men examine the steel roof on a farm building.

Steel-wheeled tractor with weeder, 1945

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 inches…

Steel-wheeled tractor with weeder, 1945

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 inches…

Steel-wheeled tractor, 1935

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.

Steel-wheeled tractor, 1935

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.

Steel-wheeled tractor, 1935

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.

Steel-wheeled tractor, 1935

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.