Browse Items · Iowa Heritage Digital Collections

Professor Ernest Muchmore Mervine and Agricultural Engineering Class, 1919.

Professor Mervine and several other individuals work on different types of tractors including; a New Hart Parr tractor, a Rock Island Plow Heider tractor and an Avery Company tractor.

Dilver Alchrist Paugtian, 1949

Dilver Alchrist Paugtian is working on the motor of a McCormick-Deering Farmall tractor.

Dilver Alchrist Paugtian, 1949

Dilver Alchrist Paugtian is working on the motor of a McCormick-Deering Farmall tractor.

Checking a tractor carburetor, 1947

Four men listen to an instructor explaining a tractor carburetor. The group of men are standing next to a John Deere tractor.

Diesel tractor, 1938

Two men examine the engine of a diesel tractor. One man is pointing out parts, while the other is taking notes.

Tractors, 1934

In an outdoor courtyard, a group of men are examining various types of tractors.

Tractor and farm equipment, 1928

A tractor is pulling a piece of farm equipment through a partially plowed field.

Professor Ernest Muchmore Mervine and Agricultural Engineering Class, 1919.

Professor Mervine and several other individuals work on different types of tractors including; a New Hart Parr tractor, a Rock Island Plow Heider tractor and an Avery Company tractor.

Boy, man, and woman with steam tractor in front of house, Elkader, Iowa, August 13, 1908

Boy, man, and woman with a steam tractor on a dirt road in front of a house and barn. "Bills place"--Back.

Browse Items (33 total)

Professor Ernest Muchmore Mervine and Agricultural Engineering Class, 1919.

Dilver Alchrist Paugtian, 1949

Dilver Alchrist Paugtian, 1949

Checking a tractor carburetor, 1947

Diesel tractor, 1938

Tractors, 1934

Tractor and farm equipment, 1928

Professor Ernest Muchmore Mervine and Agricultural Engineering Class, 1919.

Boy, man, and woman with steam tractor in front of house, Elkader, Iowa, August 13, 1908

Urbanization