Results 291 to 299 of about 14,759 (299)
Some of the next articles are maybe not open access.

Improved Plow

Scientific American
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Improved Plow

Scientific American, 1887
openaire   +1 more source

Presentation of a Plow

Scientific American
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Plow Improvement

Scientific American
openaire   +1 more source

Steam Plow

Scientific American
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