Dale Wollsoncroft demonstrating plow adjustment at a training event in State Center, Iowa, in the spring of 1949. A crowd of men is gathered around an instructor who is kneeling on the ground at the front end of a plow that is in turn connected to a…
Two Ford tractors linked together as a single drivable unit and hitched to a five bottom plow. The machinery is sited in front of Davidson Hall. Ten men are looking at the machinery, another is sitting in the driving seat of the power unit. Another…
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.
A driver on a steel-wheeled tractor pulling a plow toward the horizon through an unplowed field. Two automobiles are in the field in the far left distance. Another tractor is in the far right distance. A tree line on the horizon defines the edge of…
The operation of a pulverator and drill in an untilled field. The tractor pulling the machinery has unusually light and narrow steel wheels. The photograph is from the rear. A roadway fence line at the edge of the field is in the middle distance.
The operation of a rotary hoe, used for early cultivation of corn. The hoe, weighted with four weight boxes, is being pulled by a Farmall rubber tired tractor. The machinery is moving away from the camera across a very large field of very young corn.
A steel-wheeled John Deere tractor with a cultivator mounted on the front. The driver on the stationary tractor is posing for the camera. In the background is a field of mature height corn.
A rubber tired tractor with an attached field cultivator preparing a seedbed for corn. The tractor is stationary without a driver. It is viewed at middle distance from the rear, in the middle of a large field, untilled except for where this…
An Oliver Row Crop 70 tractor with a mounted cultivator and a two- hopper planter hitched behind. The set up is designed for one operation seedbed preparation and planting. The tractor is without a driver but stopped in mid-field. Cultivated fields…
A Farmall tractor with a spring tooth weeder hitched behind for early cultivation of corn. The driverless tractor and weeder are seen from behind. The tractor is stopped midway through a cultivation process in the middle of a field of one foot tall…
