Table of contents


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Contents

Correspondence

Correspondence pp309 - 310

doi:10.1038/scientificamerican11111868-309


Business and Personal

Business and Personal pp311 - 312

doi:10.1038/scientificamerican11111868-311b


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Articles

Patent Steam Engine Governor, Road Making by Steam pp305 - 306

doi:10.1038/scientificamerican11111868-305


On a “Piece of Chalk.”—A Lecture to Workingmen pp306 - 307

doi:10.1038/scientificamerican11111868-306


The Best Modes of Testing the Power and Economy of Steam Engines pp307 - 308

Charles E. Emery

doi:10.1038/scientificamerican11111868-307


The Natural and the Artificial p308

doi:10.1038/scientificamerican11111868-308


Hancock's Screw Propeller p308

doi:10.1038/scientificamerican11111868-308a


Testing the Power of Steam Engines pp308 - 309

doi:10.1038/scientificamerican11111868-308b


Speed of Railway Trains p310

doi:10.1038/scientificamerican11111868-310


Editorial Summary p310

doi:10.1038/scientificamerican11111868-310a


Manufacturing, Mining, and Railroad Items p310

doi:10.1038/scientificamerican11111868-310b


Recent American and Foreign Patents pp310 - 311

doi:10.1038/scientificamerican11111868-310c


Answers to Correspondents p311

doi:10.1038/scientificamerican11111868-311


New Publication p311

doi:10.1038/scientificamerican11111868-311a


Caveats p313

doi:10.1038/scientificamerican11111868-313


European Patents p313

doi:10.1038/scientificamerican11111868-313a


Comparison and Relation the Only Criterion of Size p313

doi:10.1038/scientificamerican11111868-313b


Self Education p313

doi:10.1038/scientificamerican11111868-313c


“Gold! Gold! Hard to Get and Heavy to Hold.” p313

doi:10.1038/scientificamerican11111868-313d


Expansion of Ice pp313 - 314

doi:10.1038/scientificamerican11111868-313e


Transportation of Cattle—Reid's Patent Cattle Wagons p314

doi:10.1038/scientificamerican11111868-314


New Mexico, Its Natural Wealth p314

doi:10.1038/scientificamerican11111868-314a


On a Probable Connection Between the Resistance of Ships and their Mean Depth of Immersion pp314 - 315

W. J. Macquorn Rankine, C.E.,LL D., F.R.S.

doi:10.1038/scientificamerican11111868-314b


Patents and Claims pp315 - 319

doi:10.1038/scientificamerican11111868-315


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