Table of contents


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Departments

Correspondence

Correspondence pp148 - 149

doi:10.1038/scientificamerican09021865-148


Books

New Books and Publications p152

doi:10.1038/scientificamerican09021865-152b


Patent Notes

Patents p155

doi:10.1038/scientificamerican09021865-155


Notes and Queries

Notes and Queries pp155 - 158

doi:10.1038/scientificamerican09021865-155a


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Articles

Improved Quartz Mill, Origin of Soap p143

doi:10.1038/scientificamerican09021865-143


The Economy of Pumping Engines p144

doi:10.1038/scientificamerican09021865-144


The Education of Engineers pp144 - 145

doi:10.1038/scientificamerican09021865-144a


Farmers' Club p145

doi:10.1038/scientificamerican09021865-145


Annual of Scientific Discovery p146

doi:10.1038/scientificamerican09021865-146


Broughton's Graduating Lubricator for Steam Engines p146

doi:10.1038/scientificamerican09021865-146a


Photographing the Moon p147

doi:10.1038/scientificamerican09021865-147


Stagg's Self-Closing Door p147

doi:10.1038/scientificamerican09021865-147a


Special Notices p147

doi:10.1038/scientificamerican09021865-147b


Southern Patents p149

doi:10.1038/scientificamerican09021865-149


Recent American Patents p149

doi:10.1038/scientificamerican09021865-149a


Miscellaneous Summary pp149 - 150

doi:10.1038/scientificamerican09021865-149b


Ship Building in Boston p150

doi:10.1038/scientificamerican09021865-150


Twenty Years p151

doi:10.1038/scientificamerican09021865-151


Field for Improvement in Steam Boilers p151

doi:10.1038/scientificamerican09021865-151a


Steam Plowing pp151 - 152

doi:10.1038/scientificamerican09021865-151b


A Novel Patent Case in England p152

doi:10.1038/scientificamerican09021865-152


Principal Articles of Taxation p152

doi:10.1038/scientificamerican09021865-152a


Patent Claims pp152 - 155

doi:10.1038/scientificamerican09021865-152c


Stagg's Step Ladder p158

doi:10.1038/scientificamerican09021865-158


Patent Agency Office p158

doi:10.1038/scientificamerican09021865-158a


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