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50, 100 and 150 Years Ago: Unusual Cooker, Telegraphing Without Wires and an Iron Bridge

Articles from the Scientific American archive

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Scientific American Magazine Vol 276 Issue 1This article was originally published with the title “50, 100 and 150 Years Ago” in Scientific American Magazine Vol. 276 No. 1 (), p. 10
doi:10.1038/scientificamerican0197-10