Table of contents


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Departments

Correspondence

Correspondence p85

doi:10.1038/scientificamerican02101883-85


Inventions

Recent Inventions p89

doi:10.1038/scientificamerican02101883-89


Business and Personal

Business and Personal p91

doi:10.1038/scientificamerican02101883-91


Notes and Queries

Notes and Queries p91

doi:10.1038/scientificamerican02101883-91a


Index

Index of Inventions pp91 - 92

doi:10.1038/scientificamerican02101883-91c


Patent Notes

Patents p92

doi:10.1038/scientificamerican02101883-92


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Articles

Artillery Experiments at Spezia p79

doi:10.1038/scientificamerican02101883-79


The Care of the Insane p80

doi:10.1038/scientificamerican02101883-80


Progress in Medical Ethics p80

doi:10.1038/scientificamerican02101883-80a


A Snake Trap Wanted p80

doi:10.1038/scientificamerican02101883-80b


How Steam Engine Valves are Finished p81

doi:10.1038/scientificamerican02101883-81


The Lambertville Iron Works Automatic Cut-Off Engine pp82 - 84

doi:10.1038/scientificamerican02101883-82


Improved Band Saw p86

doi:10.1038/scientificamerican02101883-86


Improved Cotton Chopper p86

doi:10.1038/scientificamerican02101883-86a


Apparatus for Removing Grease, Air, and Impurities from Feed Water p87

doi:10.1038/scientificamerican02101883-87


Aerial Navigation pp87 - 88

doi:10.1038/scientificamerican02101883-87a


Engineering Inventions p90

doi:10.1038/scientificamerican02101883-90


Mechanical Inventions p90

doi:10.1038/scientificamerican02101883-90a


Agricultural Inventions p90

doi:10.1038/scientificamerican02101883-90b


Miscellaneous Inventions p90

doi:10.1038/scientificamerican02101883-90c


Communications Received p91

doi:10.1038/scientificamerican02101883-91b


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