Table of contents


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Departments

Correspondence

Correspondence p340

doi:10.1038/scientificamerican11281874-340


Business and Personal

Business and Personal p346

doi:10.1038/scientificamerican11281874-346


Index

Index of Inventions p348

doi:10.1038/scientificamerican11281874-348


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Articles

The Shapley Engine p335

doi:10.1038/scientificamerican11281874-335


Exhaust Steam for Heating Purposes p336

doi:10.1038/scientificamerican11281874-336


Prison Reform p336

doi:10.1038/scientificamerican11281874-336a


A Possible Improvement in House Heating pp336 - 337

doi:10.1038/scientificamerican11281874-336b


Mechanical Aesthetics and Practical Men p337

doi:10.1038/scientificamerican11281874-337


Scientific and Practical Information p337

doi:10.1038/scientificamerican11281874-337a


To Underground Railway, New York City pp338 - 340

doi:10.1038/scientificamerican11281874-338


The National Academy of Science p341

doi:10.1038/scientificamerican11281874-341


Improved Pinking Iron p342

doi:10.1038/scientificamerican11281874-342


Biddle's Hydraulic Jack p342

doi:10.1038/scientificamerican11281874-342a


A Novel Milk Can p342

doi:10.1038/scientificamerican11281874-342b


Improved Hatchet p342

doi:10.1038/scientificamerican11281874-342c


The Late John Laird p343

doi:10.1038/scientificamerican11281874-343


The Fair of the American Institute p344

doi:10.1038/scientificamerican11281874-344


Recent American and Foreign Patents pp344 - 345

doi:10.1038/scientificamerican11281874-344a


Answers to Correspondents pp346 - 347

doi:10.1038/scientificamerican11281874-346a


Communication Received pp347 - 348

doi:10.1038/scientificamerican11281874-347


Canadian Patents p348

doi:10.1038/scientificamerican11281874-348a


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