Scientific American 1920-08-14 | <h5>magazineart.org: A visual encyclopedia of American magazine art 1870-1940</h5>

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Scientific American 1920-08-14

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Speeding up the hay harvest with the gasoline tractor, rake and stacker.

Scientific American 1920-08-07

Scientific American 1920-08-21

Created on: Tuesday 4 November 2008
Posted on: Tuesday 4 November 2008
Tags: farm, farm machinery, harvest, harvesting, mechanization, production
Albums: General Magazines / Science and Technology Magazines / Scientific American
Visits: 1760

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