The Story Behind the Letters

By Sam Moore
Published on October 30, 2020
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Above: Top left, William Parlin. Bottom right, William J. Orendorff.
Above: Top left, William Parlin. Bottom right, William J. Orendorff.
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Right: Cover of a circa 1912 P&O catalog.
Right: Cover of a circa 1912 P&O catalog.
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Above: William Parlin at work in his blacksmith shop in Canton, Ill.
Above: William Parlin at work in his blacksmith shop in Canton, Ill.
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Above: View of the P&O factory in Canton, Ill., early in the 20th century.
Above: View of the P&O factory in Canton, Ill., early in the 20th century.
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Left: The P&O Diamond sulky plow.
Left: The P&O Diamond sulky plow.
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Below: A group of 14 Doukhobor women pull a P&O plow in Canada. The Doukhobors came to Canada in 1899 to escape religious persecution in their native Russia. They lived in communes and believed it was wrong to force an animal to work.
Below: A group of 14 Doukhobor women pull a P&O plow in Canada. The Doukhobors came to Canada in 1899 to escape religious persecution in their native Russia. They lived in communes and believed it was wrong to force an animal to work.

Parlin & Orendorff triumphed over early challenges

Many Rusty Iron enthusiasts probably know why
most of the part numbers on International Harvester plows begin
with the letters “PO.” However, just in case some don’t, here’s the
story of the Parlin & Orendorff Co. of Canton, Ill.

William Parlin was born in 1817, in Acton, Mass., where he

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