Table of contents


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Departments

Correspondence

Correspondence p69

doi:10.1038/scientificamerican02021889-69a


Recently Patented Inventions

Recently Patented Inventions p73

doi:10.1038/scientificamerican02021889-73


Business and Personal

Business and Personal p73

doi:10.1038/scientificamerican02021889-73a


Notes and Queries

Notes and Queries pp73 - 75

doi:10.1038/scientificamerican02021889-73b


Books

New Books and Publications p75

doi:10.1038/scientificamerican02021889-75


Index

Index of Inventions pp75 - 76

doi:10.1038/scientificamerican02021889-75b


Patent Notes

Patents p78

doi:10.1038/scientificamerican02021889-78


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Articles

Complaints Against the Patent Office p64

doi:10.1038/scientificamerican02021889-64


An Important Supreme Court Decision pp64 - 65

doi:10.1038/scientificamerican02021889-64a


Improved Device for Use in Paying Help p66

doi:10.1038/scientificamerican02021889-66


Improved Furnace for Destroying Refuse p66

doi:10.1038/scientificamerican02021889-66a


An Improved Pillow Bolster p66

doi:10.1038/scientificamerican02021889-66b


An Improved Folding Car Step pp66 - 68

doi:10.1038/scientificamerican02021889-66c


The Electric Blowpipe p68

Samuel Sheldon, Ph.D

doi:10.1038/scientificamerican02021889-68


The Paris Exhibition pp68 - 69

doi:10.1038/scientificamerican02021889-68a


U. S. Gunboat Yorktown p69

doi:10.1038/scientificamerican02021889-69


Remarkable Explosion of a Locomotive p70

doi:10.1038/scientificamerican02021889-70


A Continental Villa p70

doi:10.1038/scientificamerican02021889-70a


Simple Experiments in Physics pp71 - 72

Geo. M. Hopkins

doi:10.1038/scientificamerican02021889-71


To Inventors p75

doi:10.1038/scientificamerican02021889-75a


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