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Scientific American

April 1, 1911

1 min read

Kinks from an Amateur's Bench, A Punch Used in Boiler Shops and more

Small Drills

By John D. Adams

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Scientific American Magazine Vol 104 Issue 13This article was originally published with the title “Kinks from an Amateur's Bench, A Punch Used in Boiler Shops, and more” in Scientific American Magazine Vol. 104 No. 13 (), p. 334
doi:10.1038/scientificamerican04011911-334b
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