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Scientific American

April 1, 1943

1 min read

Buried Telephone Talk

Plowing the New Transcontinental Telephone Cable into the Ground with a Hundred-Ton Tractor-Train and Mole

By Temple C. Smith

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Scientific American Magazine Vol 168 Issue 4This article was originally published with the title “Buried Telephone Talk” in Scientific American Magazine Vol. 168 No. 4 (), p. 161
doi:10.1038/scientificamerican0443-161
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