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Departments

Recently Patented Inventions

Recently Patented Inventions p138

doi:10.1038/scientificamerican08301890-138


Business and Personal

Business and Personal p138

doi:10.1038/scientificamerican08301890-138a


Notes and Queries

Notes and Queries pp138 - 139

doi:10.1038/scientificamerican08301890-138b


Notes and Queries

Index of Inventions pp139 - 140

doi:10.1038/scientificamerican08301890-139a


Patent Notes

Patents p142

doi:10.1038/scientificamerican08301890-142


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Articles

The New Patent Law of Mexico p128

doi:10.1038/scientificamerican08301890-128


Position of the Planets in September p128

doi:10.1038/scientificamerican08301890-128a


John Ericsson pp128 - 129

doi:10.1038/scientificamerican08301890-128b


The Photographers' Convention-A Memorial to Daguerre p129

doi:10.1038/scientificamerican08301890-129


An Improved Shifting Eccentric p130

doi:10.1038/scientificamerican08301890-130


An Improved Railroad Tie p130

doi:10.1038/scientificamerican08301890-130a


An Improved Rein Grip p130

doi:10.1038/scientificamerican08301890-130b


An Improved Curtain-Pole Ring and Pin pp130 - 131

doi:10.1038/scientificamerican08301890-130c


An Improved Folding Umbrella p131

doi:10.1038/scientificamerican08301890-131


An Improved Sled Propeller p131

doi:10.1038/scientificamerican08301890-131a


The Census of the United States pp132 - 133

doi:10.1038/scientificamerican08301890-132


A Bull with Two Mouths p134

doi:10.1038/scientificamerican08301890-134


Electrically Heated Sad Irons p134

doi:10.1038/scientificamerican08301890-134a


Reproduction of an Old Pompeian Residence pp135 - 137

doi:10.1038/scientificamerican08301890-135


Japanese Portiere or Curtain p137

doi:10.1038/scientificamerican08301890-137


To Inventors p139

doi:10.1038/scientificamerican08301890-139


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