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Writing Machines p241

doi:10.1038/scientificamerican04141855-241


Princeton College p241

doi:10.1038/scientificamerican04141855-241a


Charleston Artesian Well p241

doi:10.1038/scientificamerican04141855-241b


McGaffey's Seed Planter p241

doi:10.1038/scientificamerican04141855-241c


Provide for the Birds p241

doi:10.1038/scientificamerican04141855-241d


The Art of Dyeing—No. 16 p242

doi:10.1038/scientificamerican04141855-242


Influence of Inventions on Social Life p242

doi:10.1038/scientificamerican04141855-242a


Spare the Birds p242

doi:10.1038/scientificamerican04141855-242b


Cast-Iron Foot Pavement p242

doi:10.1038/scientificamerican04141855-242c


Hermetically Sealed p242

doi:10.1038/scientificamerican04141855-242d


Theories of Electricity p243

doi:10.1038/scientificamerican04141855-243


Rotten Muntz Metal p243

doi:10.1038/scientificamerican04141855-243a


White Printing p243

doi:10.1038/scientificamerican04141855-243b


Rule for Calculating the Weight of a Casting from the Weight of Its Pattern p243

doi:10.1038/scientificamerican04141855-243c


Climatising Animals and Plants p243

doi:10.1038/scientificamerican04141855-243d


Primitive Fossils p243

doi:10.1038/scientificamerican04141855-243e


Improvement in Rotary Pumps p244

doi:10.1038/scientificamerican04141855-244


Endless Chain Pump p244

doi:10.1038/scientificamerican04141855-244a


Hand Corn Planter p244

doi:10.1038/scientificamerican04141855-244b


Dumb Waiters p244

doi:10.1038/scientificamerican04141855-244c


Steam Engine Valve p244

doi:10.1038/scientificamerican04141855-244d


Morris' Improved Bucket for Chain Pumps p244

doi:10.1038/scientificamerican04141855-244e


Plow Improvement p244

doi:10.1038/scientificamerican04141855-244f


Excavators p244

doi:10.1038/scientificamerican04141855-244g


The Canals and Railroads of New York p245

doi:10.1038/scientificamerican04141855-245


The New City Hall p245

doi:10.1038/scientificamerican04141855-245a


Curious Electrical Phenomena p245

doi:10.1038/scientificamerican04141855-245b


Guano p245

doi:10.1038/scientificamerican04141855-245c


New Rifle Bullets p245

doi:10.1038/scientificamerican04141855-245d


Boston Water p245

doi:10.1038/scientificamerican04141855-245e


To Inventors Only—Models p245

doi:10.1038/scientificamerican04141855-245f


Provision and Fruit Presrvation pp245 - 246

doi:10.1038/scientificamerican04141855-245g


Sharp's Rifle in England p246

doi:10.1038/scientificamerican04141855-246


Oil from the Bowels of a Mountain p246

doi:10.1038/scientificamerican04141855-246a


To Correspondents p247

doi:10.1038/scientificamerican04141855-247


Why Do Teeth Decay p248

doi:10.1038/scientificamerican04141855-248


Water-Proof Blacking p248

doi:10.1038/scientificamerican04141855-248a


History of Reaping Machines—No. 27 p248

doi:10.1038/scientificamerican04141855-248b


Mechanics p248

doi:10.1038/scientificamerican04141855-248c


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