Table of contents


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Departments

Correspondence

Correspondence p260

doi:10.1038/scientificamerican10241874-260


Business and Personal

Business and Personal p266

doi:10.1038/scientificamerican10241874-266


Index

Index of Inventions pp267 - 268

doi:10.1038/scientificamerican10241874-267a


Patent Notes

Patents p268

doi:10.1038/scientificamerican10241874-268a


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Articles

Combination Ice and Freezing House p255

doi:10.1038/scientificamerican10241874-255


Gain from the Application of Condensers to Steam Engines p256

doi:10.1038/scientificamerican10241874-256


Impracticable Inventors p256

doi:10.1038/scientificamerican10241874-256a


Railroad Employees and their Pay pp256 - 257

doi:10.1038/scientificamerican10241874-256b


Improvised Apparatus for Steam Boiler Trials p257

doi:10.1038/scientificamerican10241874-257


Scientific and Practical Information p257

doi:10.1038/scientificamerican10241874-257a


New Portable Engine p258

doi:10.1038/scientificamerican10241874-258


Improvement in Cable Telegraphy p258

doi:10.1038/scientificamerican10241874-258a


New Instrument for Estimating Urea p258

doi:10.1038/scientificamerican10241874-258b


The Pacific Ocean Telegraph p259

doi:10.1038/scientificamerican10241874-259


The Hydraulic Ram pp259 - 260

doi:10.1038/scientificamerican10241874-259a


Practical Mechanism p261

Joshua Rose

doi:10.1038/scientificamerican10241874-261


Improved Air Spring Forge Hammer p262

doi:10.1038/scientificamerican10241874-262


A New Boiler Covering p262

doi:10.1038/scientificamerican10241874-262a


Dough Kneader and Cutter p262

doi:10.1038/scientificamerican10241874-262b


The Cultivation of the Victoria Regia p263

doi:10.1038/scientificamerican10241874-263


Long Moss p263

doi:10.1038/scientificamerican10241874-263a


The Early History of Wheeled Vehicles and Railways p264

doi:10.1038/scientificamerican10241874-264


Recent American and Foreign Patents pp264 - 265

doi:10.1038/scientificamerican10241874-264a


Answers to Correspondents pp266 - 267

doi:10.1038/scientificamerican10241874-266a


Communications Received p267

doi:10.1038/scientificamerican10241874-267


Canadian Patents p268

doi:10.1038/scientificamerican10241874-268


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