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Scientific American

November 1, 1947

1 min read

Hot Air Generator, Sprayed Hard-Facing, and more

Speeds Many Industrial Heating And Drying Operations

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This article was originally published with the title “Hot Air Generator, Sprayed Hard-Facing, and more” in Scientific American Magazine Vol. 177 No. 5 (November 1947), p. 224
doi:10.1038/scientificamerican1147-224

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