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Articles

The Phliadelphia Mint—Refining Gold—Its Troubles and Trials p250

doi:10.1038/scientificamerican04251853-250


Buried Alive p250

doi:10.1038/scientificamerican04251853-250a


Dust from Stoves p250

doi:10.1038/scientificamerican04251853-250b


Patent Case p250

doi:10.1038/scientificamerican04251853-250c


The Floating Battery p250

doi:10.1038/scientificamerican04251853-250d


Mother of Pearl p251

doi:10.1038/scientificamerican04251853-251


Chemistry of Life and Alcohol p251

doi:10.1038/scientificamerican04251853-251a


Survey of California p251

doi:10.1038/scientificamerican04251853-251b


New Corn Planter p252

doi:10.1038/scientificamerican04251853-252


Breech-Loading Fire-Arms p252

doi:10.1038/scientificamerican04251853-252a


Tin Cutting Machine p252

doi:10.1038/scientificamerican04251853-252b


Gas Purifier p252

doi:10.1038/scientificamerican04251853-252c


Improved Boilers and Heater p252

doi:10.1038/scientificamerican04251853-252d


New Smoothing Iron p252

doi:10.1038/scientificamerican04251853-252e


Steam Plow and Seed Planter p252

doi:10.1038/scientificamerican04251853-252f


Improved Clamp p252

doi:10.1038/scientificamerican04251853-252g


Improved Stuffing Box p252

doi:10.1038/scientificamerican04251853-252h


Changes in the Value of Gold—Wages for Labor p253

doi:10.1038/scientificamerican04251853-253


The World's Fair in London p253

doi:10.1038/scientificamerican04251853-253a


Events of the Week p253

doi:10.1038/scientificamerican04251853-253b


American Rifles p253

doi:10.1038/scientificamerican04251853-253c


Silvering Glass p253

doi:10.1038/scientificamerican04251853-253d


South American Rivers pp253 - 254

doi:10.1038/scientificamerican04251853-253e


The London Exhibition p254

doi:10.1038/scientificamerican04251853-254


Colliery Explosions p254

doi:10.1038/scientificamerican04251853-254a


A Moving Bog p254

doi:10.1038/scientificamerican04251853-254b


Recent Foreign Inventions p254

doi:10.1038/scientificamerican04251853-254c


To Correspondents p255

doi:10.1038/scientificamerican04251853-255


A Chapter or Suggestions, &C p255

doi:10.1038/scientificamerican04251853-255a


Moles p256

doi:10.1038/scientificamerican04251853-256


Devotion to Science p256

doi:10.1038/scientificamerican04251853-256a


Banding Pulleys for Saws, &C p256

doi:10.1038/scientificamerican04251853-256b


Shirt Collars by the Bushel p256

doi:10.1038/scientificamerican04251853-256c


Specimen from the Iron Mountain, Mo p256

doi:10.1038/scientificamerican04251853-256d


Mineral Wealth of California p256

doi:10.1038/scientificamerican04251853-256e


Mechanics p256

doi:10.1038/scientificamerican04251853-256f


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