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Departments

Correspondence

Correspondence pp357 - 358

doi:10.1038/scientificamerican06041864-357


Notes and Queries

Notes and Queries p366

doi:10.1038/scientificamerican06041864-366


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Articles

Hawley's Steam Plow or Spading Machine pp353 - 354

doi:10.1038/scientificamerican06041864-353


Annual Report of the Commissioner of Patents pp354 - 355

doi:10.1038/scientificamerican06041864-354


New York Markets p355

doi:10.1038/scientificamerican06041864-355


Recent American Patents p355

doi:10.1038/scientificamerican06041864-355a


Use and Abuse of the Pianoforte p356

doi:10.1038/scientificamerican06041864-356


Hoffman's Eyeless Pick p356

doi:10.1038/scientificamerican06041864-356a


The Law and Practice of Re-Issues p358

doi:10.1038/scientificamerican06041864-358


Relating to Patents p358

doi:10.1038/scientificamerican06041864-358a


The Way the Life of the Earth Came Forth pp359 - 360

doi:10.1038/scientificamerican06041864-359


The “Union” Hay-Fork p360

doi:10.1038/scientificamerican06041864-360


The Superheated Theory Testes by Experiment p361

doi:10.1038/scientificamerican06041864-361


Cheap Tools p361

doi:10.1038/scientificamerican06041864-361a


Department of Agriculture p361

doi:10.1038/scientificamerican06041864-361b


The Rogers' Locomotive Works pp361 - 362

doi:10.1038/scientificamerican06041864-361c


The Value of Patented Inventions p362

doi:10.1038/scientificamerican06041864-362


Patent Claims pp362 - 365

doi:10.1038/scientificamerican06041864-362a


Patents Granted for Seventeen Years! p365

doi:10.1038/scientificamerican06041864-365


To Our Readers p365

doi:10.1038/scientificamerican06041864-365a


Rates of Advertising pp366 - 367

doi:10.1038/scientificamerican06041864-366a


The Cheapest Modd of Introducing Inventions p367

doi:10.1038/scientificamerican06041864-367


Valuable Work for Inventors Patentees and Manufacturers pp367 - 368

doi:10.1038/scientificamerican06041864-367a


Snow's Match-Safe p368

doi:10.1038/scientificamerican06041864-368


Godfrey's Improved Bag-holder p368

doi:10.1038/scientificamerican06041864-368a


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