The New Star in Perseus - p146

doi:10.1038/scientificamerican03091901-146

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An Important Telephone Patent Decision - p146

doi:10.1038/scientificamerican03091901-146a

PDF (180 KB)

The Slaby System of Wireless Duplex Telegraphy - pp146 - 147

doi:10.1038/scientificamerican03091901-146b

PDF (243 KB)

A Triumph of Ingenuity and a Patent with a History - p147

doi:10.1038/scientificamerican03091901-147

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A New Permanent Phonograph Record - p147

doi:10.1038/scientificamerican03091901-147a

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The Pollok Memorial Prize - p147

doi:10.1038/scientificamerican03091901-147b

PDF (87 KB)

An Improved Gasoline Automobile - p148

doi:10.1038/scientificamerican03091901-148

PDF (263 KB)

San Gimignano and Its Towers - p148

doi:10.1038/scientificamerican03091901-148a

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Trees and Plants of Southern California - p149

Charles P. Holder

doi:10.1038/scientificamerican03091901-149

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The Paige Typesetting Machine - pp150 - 151

doi:10.1038/scientificamerican03091901-150

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The Slaby System of Wave-Selective Wireless Duplex Telegraphy - pp152 - 153

doi:10.1038/scientificamerican03091901-152

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Automatic Ore Unloader - pp153 - 154

W. Frank M'Clure

doi:10.1038/scientificamerican03091901-153

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A Pail for Live Bait - p154

doi:10.1038/scientificamerican03091901-154

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A Valve Motion for Small High-Pressure Pumps - p154

doi:10.1038/scientificamerican03091901-154a

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A New Book or Copy Holder for Typewriters - p154

doi:10.1038/scientificamerican03091901-154b

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Business and Personal Wants - p155

doi:10.1038/scientificamerican03091901-155a

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