Table of contents


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Departments

Correspondence

Correspondence pp164 - 165

doi:10.1038/scientificamerican03151873-164


Books

New Books and Publications p168

doi:10.1038/scientificamerican03151873-168


Business and Personal

Business and Personal p170

doi:10.1038/scientificamerican03151873-170


Notes and Queries

Notes and Queries p170

doi:10.1038/scientificamerican03151873-170a


Index

Index of Inventions pp171 - 172

doi:10.1038/scientificamerican03151873-171a


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Articles

Improved Hot-Pressing Machine p159

doi:10.1038/scientificamerican03151873-159


Poisonous Air in Schools and Factories p160

doi:10.1038/scientificamerican03151873-160


Practical Results of the Eight Hour Plan in New York p160

doi:10.1038/scientificamerican03151873-160a


Foul Air Signal p160

doi:10.1038/scientificamerican03151873-160b


Invertebrate Men p160

doi:10.1038/scientificamerican03151873-160c


The Knowledge of the Truth pp160 - 161

doi:10.1038/scientificamerican03151873-160d


Colburn's Theory and the Boiler Explosion at Pittsburgh p161

doi:10.1038/scientificamerican03151873-161


Scientific and Practical Information p161

doi:10.1038/scientificamerican03151873-161a


The King Penguin and the Australian Bustard pp162 - 163

doi:10.1038/scientificamerican03151873-162


Phosphor-Bronze Tweers p163

doi:10.1038/scientificamerican03151873-163


Elastic Washer p163

doi:10.1038/scientificamerican03151873-163a


Sectional Life Boat p163

doi:10.1038/scientificamerican03151873-163b


Odd Materials for Paper Making p165

doi:10.1038/scientificamerican03151873-165


Improved Grain Cleaner p166

doi:10.1038/scientificamerican03151873-166


Steam Reaper and Mower pp166 - 167

doi:10.1038/scientificamerican03151873-166a


Bridge over the Missouri River, Near Leavenworth, Kansas pp167 - 168

doi:10.1038/scientificamerican03151873-167


Recent American and Foreign Patents pp168 - 169

doi:10.1038/scientificamerican03151873-168a


Answers to Correspondents pp170 - 171

doi:10.1038/scientificamerican03151873-170b


Communications Received p171

doi:10.1038/scientificamerican03151873-171


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