Table of contents


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Departments

Correspondence

Correspondence pp262 - 264

doi:10.1038/scientificamerican04251863-262


Notes and Queries

Notes and Queries pp270 - 272

doi:10.1038/scientificamerican04251863-270


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Articles

The Improved Polar Refrigerator p257

doi:10.1038/scientificamerican04251863-257


More Experiments with Iron Targets—Whitworth and Armstrong Guns pp257 - 258

doi:10.1038/scientificamerican04251863-257a


Trial Trip of the “Morning Star” pp258 - 259

doi:10.1038/scientificamerican04251863-258


Taxidermy—Preserving the Skins of Quadrupeds, Fish and Insects p259

doi:10.1038/scientificamerican04251863-259


Hints for Housekeepers pp260 - 261

doi:10.1038/scientificamerican04251863-260


Valuable Receipts pp261 - 262

doi:10.1038/scientificamerican04251863-261


Our National Defenses p265

doi:10.1038/scientificamerican04251863-265


The Proposition to Introduce a State Patent System p265

doi:10.1038/scientificamerican04251863-265a


Defective Wrought-Iron p265

doi:10.1038/scientificamerican04251863-265b


The Proposed Canal Enlargements pp265 - 266

doi:10.1038/scientificamerican04251863-265c


Practical Hints to the Machinist p266

doi:10.1038/scientificamerican04251863-266


The Attack on Charleston p266

doi:10.1038/scientificamerican04251863-266a


The Iron-Clad Steam-Battery “Roanoke” p266

doi:10.1038/scientificamerican04251863-266b


Important Patent Trial—Cotton-Cleaning Machines pp266 - 267

doi:10.1038/scientificamerican04251863-266c


Preserving Botanical Specimens p267

doi:10.1038/scientificamerican04251863-267


Cincinnati Water Works—The Engineers Report p267

doi:10.1038/scientificamerican04251863-267a


Recent American Patents p268

doi:10.1038/scientificamerican04251863-268


Patent Claims pp268 - 270

doi:10.1038/scientificamerican04251863-268a


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