Table of contents


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Departments

Correspondence

Correspondence p164

doi:10.1038/scientificamerican09091871-164


Business and Personal

Business and Personal pp169 - 170

doi:10.1038/scientificamerican09091871-169b


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Articles

Portable Gas Generator, Bleaching Shellac, and more pp159 - 160

doi:10.1038/scientificamerican09091871-159


Tornadoes and Water Spouts p161

doi:10.1038/scientificamerican09091871-161


Lemman's Anti-Friction Ball Gate Hinge p162

doi:10.1038/scientificamerican09091871-162


New Test for Kerosene Oils p162

doi:10.1038/scientificamerican09091871-162a


Massey's Double Column High Pressure and Low Water Alarm for Steam Boilers pp162 - 163

doi:10.1038/scientificamerican09091871-162b


An Incident in the Life of Baron Liebig p163

Charles A. Joy

doi:10.1038/scientificamerican09091871-163


Plucky Susan, or Luck at Last—A Leaf from the Life of a Western Inventor p163

doi:10.1038/scientificamerican09091871-163a


Terrible Gun Cotton Explosion at Stowmarket, England p165

doi:10.1038/scientificamerican09091871-165


The Surf pp165 - 166

Charles Morris

doi:10.1038/scientificamerican09091871-165a


Right of Property in Inventions an Abstract Right p167

doi:10.1038/scientificamerican09091871-167


The Origin of Life p167

doi:10.1038/scientificamerican09091871-167a


Japan a field for Inventions and Machinery p167

doi:10.1038/scientificamerican09091871-167b


Spirits at a Discount p168

doi:10.1038/scientificamerican09091871-168


Wagner's Report on Techology p168

doi:10.1038/scientificamerican09091871-168a


The Late Professor Payen p168

doi:10.1038/scientificamerican09091871-168b


Psychic Force p168

doi:10.1038/scientificamerican09091871-168c


Interesting Extension Cases p169

doi:10.1038/scientificamerican09091871-169


American Institute Fair p169

doi:10.1038/scientificamerican09091871-169a


Answers to Correspondents p170

doi:10.1038/scientificamerican09091871-170


Queries p170

doi:10.1038/scientificamerican09091871-170a


Recent American and Foreign Patents pp170 - 171

doi:10.1038/scientificamerican09091871-170b


Official List of Patents p171

doi:10.1038/scientificamerican09091871-171


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