Table of contents


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Departments

Correspondence

Correspondence p181

doi:10.1038/scientificamerican03241883-181


Inventions

Recent Inventions p185

doi:10.1038/scientificamerican03241883-185


Business and Personal

Business and Personal p187

doi:10.1038/scientificamerican03241883-187


Notes and Queries

Notes and Queries p187

doi:10.1038/scientificamerican03241883-187a


Index

Index of Inventions pp187 - 188

doi:10.1038/scientificamerican03241883-187b


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Articles

American Industries.—No. 87 pp175 - 176

doi:10.1038/scientificamerican03241883-175


Six Hundred and Fifty Miles by Telephone pp176 - 177

doi:10.1038/scientificamerican03241883-176


Early Steam Engines and Boilers p177

doi:10.1038/scientificamerican03241883-177


The Leffel Turbine p177

doi:10.1038/scientificamerican03241883-177a


Sanitary Precautions After Floods p177

doi:10.1038/scientificamerican03241883-177b


Improved Railway Elevator p178

doi:10.1038/scientificamerican03241883-178


New Feed Water Heater and Lime Extractor p179

doi:10.1038/scientificamerican03241883-179


Improved Fence Post pp179 - 180

doi:10.1038/scientificamerican03241883-179a


Abacus Attachment for School Slates p180

doi:10.1038/scientificamerican03241883-180


Improved Vertical Engine pp182 - 183

doi:10.1038/scientificamerican03241883-182


Improved Railroad Crane pp183 - 184

doi:10.1038/scientificamerican03241883-183


Mechanical Inventions p186

doi:10.1038/scientificamerican03241883-186


Agricultural Inventions p186

doi:10.1038/scientificamerican03241883-186a


Miscellaneous Inventions p186

doi:10.1038/scientificamerican03241883-186b


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