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Departments

Inventions

New Inventions p151

doi:10.1038/scientificamerican09031859-151c


Notes and Queries

Notes and Queries p158

doi:10.1038/scientificamerican09031859-158


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Articles

Improved Farm Gate p145

doi:10.1038/scientificamerican09031859-145


Mechanics in our Common Schools p145

doi:10.1038/scientificamerican09031859-145a


A Railway on the Mountain p146

doi:10.1038/scientificamerican09031859-146


Suggestion to Aquarium Builders p146

doi:10.1038/scientificamerican09031859-146a


American Reapers in Europe p147

doi:10.1038/scientificamerican09031859-147


A Professor on Broadcloth p147

doi:10.1038/scientificamerican09031859-147a


How to Live Long p147

doi:10.1038/scientificamerican09031859-147b


Remedy for Insect Bites p147

doi:10.1038/scientificamerican09031859-147c


Interesting Photographic Experiments p148

doi:10.1038/scientificamerican09031859-148


Dovetail and Tenon Cutter p148

doi:10.1038/scientificamerican09031859-148a


Delays at the Patent Office p148

doi:10.1038/scientificamerican09031859-148b


The Last Word to four Thousand Readers! p148

doi:10.1038/scientificamerican09031859-148c


Communications between Railway Passengers and Drivers p149

doi:10.1038/scientificamerican09031859-149


Iron Hoops for Baling Cotton p149

doi:10.1038/scientificamerican09031859-149a


New York Water p149

doi:10.1038/scientificamerican09031859-149b


Arsenious Green Paper p149

doi:10.1038/scientificamerican09031859-149c


Patent Law of Brazil p150

doi:10.1038/scientificamerican09031859-150


Patent Extensions p150

doi:10.1038/scientificamerican09031859-150a


A Column of Interesting Varieties p150

doi:10.1038/scientificamerican09031859-150b


Improvement in Cornish Engines p151

doi:10.1038/scientificamerican09031859-151


Pumping Water p151

doi:10.1038/scientificamerican09031859-151a


Cannel Coal and Its Oils p151

doi:10.1038/scientificamerican09031859-151b


Improved Stump Extractor p152

doi:10.1038/scientificamerican09031859-152


A Hint to Builders of Churches p152

doi:10.1038/scientificamerican09031859-152a


Improved Low Water Indicator p152

doi:10.1038/scientificamerican09031859-152b


Magnetism on Railroads p153

doi:10.1038/scientificamerican09031859-153


The Labor Question p153

doi:10.1038/scientificamerican09031859-153a


Hints to Thinkers pp153 - 154

doi:10.1038/scientificamerican09031859-153b


The Atlantic Telegraph & Inventors p154

doi:10.1038/scientificamerican09031859-154


A Splendid Number of the Scientific American p154

doi:10.1038/scientificamerican09031859-154a


Inventors' Exchange p154

doi:10.1038/scientificamerican09031859-154b


Foreign Summary—Metals and Markets pp154 - 155

doi:10.1038/scientificamerican09031859-154c


Patent Claims pp155 - 158

doi:10.1038/scientificamerican09031859-155


Improved Breech-Loading Fire-Arm p160

doi:10.1038/scientificamerican09031859-160


Beaumont's Steam-Gage p160

doi:10.1038/scientificamerican09031859-160a


Death of an Inventor p160

doi:10.1038/scientificamerican09031859-160b


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