Table of contents


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Contents

Correspondence

Correspondence pp321 - 323

doi:10.1038/scientificamerican11231872-321


Business and Personal

Business and Personal p330

doi:10.1038/scientificamerican11231872-330


Notes and Queries

Notes and Queries p330

doi:10.1038/scientificamerican11231872-330a


Index

Index of Inventions pp331 - 332

doi:10.1038/scientificamerican11231872-331a


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Articles

Upright Boring Machine p319

doi:10.1038/scientificamerican11231872-319


On Instinct p320

doi:10.1038/scientificamerican11231872-320


Horsenail Making in London pp320 - 321

doi:10.1038/scientificamerican11231872-320a


Improved Mop, Head p323

doi:10.1038/scientificamerican11231872-323


Apparatus for Extinguishing Sparks pp323 - 325

doi:10.1038/scientificamerican11231872-323a


Improved Tank Locomotive p326

doi:10.1038/scientificamerican11231872-326


Automatic Boat Detaching Apparatus p326

doi:10.1038/scientificamerican11231872-326a


New Discoveries Concerning Terrestrial Heat p327

doi:10.1038/scientificamerican11231872-327


Drawings for the Patent Office p327

doi:10.1038/scientificamerican11231872-327a


Lake of Interest in England for the Vienna Exposition p327

doi:10.1038/scientificamerican11231872-327b


The Determination of High Temperatures by Sound pp327 - 328

doi:10.1038/scientificamerican11231872-327c


Choosing an Occupation for a Young Man p328

doi:10.1038/scientificamerican11231872-328


The Latest Discoveries in the Polar Regions p328

doi:10.1038/scientificamerican11231872-328a


Improvements in the Manufacture of Silk pp328 - 329

doi:10.1038/scientificamerican11231872-328b


Intolerance in Science p329

doi:10.1038/scientificamerican11231872-329


Scientific and Mechanical Possibilities p329

doi:10.1038/scientificamerican11231872-329a


The Conflagration in Boston pp329 - 330

doi:10.1038/scientificamerican11231872-329b


Answers to Correspondents p330

doi:10.1038/scientificamerican11231872-330b


Recent American and Foreign Patents p331

doi:10.1038/scientificamerican11231872-331


Practical Hints to Inventors p332

doi:10.1038/scientificamerican11231872-332


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