Tunnel Tubes in Soft Material - p466

doi:10.1038/scientificamerican06081907-466

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The Problem of Raising an Existing Dam Structure - p466

doi:10.1038/scientificamerican06081907-466a

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The Shackleton Antarctic Expedition - p466

doi:10.1038/scientificamerican06081907-466b

PDF (183 KB)

Influence of Light on the Conductivity of Antimonite - p466

doi:10.1038/scientificamerican06081907-466c

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Government Tests of Safety Devices for Mines - p467

doi:10.1038/scientificamerican06081907-467

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Science Notes - p467

doi:10.1038/scientificamerican06081907-467a

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The Largest Arch Bridge in the World - p468

doi:10.1038/scientificamerican06081907-468

PDF (525 KB)

The Two Competitors in the Motor Boat Race to Bermuda - pp469 - 470

doi:10.1038/scientificamerican06081907-469

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Mining in Newfoundland - pp472 - 473

Day Allen Willey

doi:10.1038/scientificamerican06081907-472

PDF (611 KB)

Teaching Deaf-Mutes to Speak - pp473 - 474

doi:10.1038/scientificamerican06081907-473

PDF (441 KB)

Nature's Touch-Me-Nots - pp474 - 475

Percy Collins

doi:10.1038/scientificamerican06081907-474

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Improved Grass Cutter - p476

doi:10.1038/scientificamerican06081907-476

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A Novel Sash Lock - p476

doi:10.1038/scientificamerican06081907-476a

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Combined Lightning Arrester, Fuse Box, and Insulator - p476

doi:10.1038/scientificamerican06081907-476b

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A New Method of Handling Acids - p476

doi:10.1038/scientificamerican06081907-476c

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