Table of contents


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Departments

Correspondence

Correspondence p53

doi:10.1038/scientificamerican01261989-53


Recently Patented Inventions

Recently Patented Inventions p57

doi:10.1038/scientificamerican01261989-57


Business and Personal

Business and Personal p57

doi:10.1038/scientificamerican01261989-57a


Notes and Queries

Notes and Queries pp57 - 59

doi:10.1038/scientificamerican01261989-57b


Index

Index of Inventions pp59 - 60

doi:10.1038/scientificamerican01261989-59a


Patent Notes

Patents p62

doi:10.1038/scientificamerican01261989-62


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Articles

The Engines of the Steamer Connecticut p47

doi:10.1038/scientificamerican01261989-47


An Electrical Course at Columbia p48

doi:10.1038/scientificamerican01261989-48


A Novel Experiment with Criminals p48

doi:10.1038/scientificamerican01261989-48a


Dangerous Flat Houses p48

doi:10.1038/scientificamerican01261989-48b


The Use of Radiated Heat p48

doi:10.1038/scientificamerican01261989-48c


Position of the Planets in February p49

doi:10.1038/scientificamerican01261989-49


The Recent Tornado in New York p49

doi:10.1038/scientificamerican01261989-49a


Revolving Hercules Crane p50

doi:10.1038/scientificamerican01261989-50


An Improved Vehicle Spring p51

doi:10.1038/scientificamerican01261989-51


An Improved Gas Manufacturing Apparatus p51

doi:10.1038/scientificamerican01261989-51a


An Improved Safety Caster p51

doi:10.1038/scientificamerican01261989-51b


Improved Wear Iron for Vehicles pp51 - 52

doi:10.1038/scientificamerican01261989-51c


Mlle Schultze, Doctor of Medicine of the Faculty of Paris p54

doi:10.1038/scientificamerican01261989-54


Simple Experiments in Physics p54

M. Hopkins

doi:10.1038/scientificamerican01261989-54a


The Leander McCormick Observatory of the University of Virginia pp55 - 56

H. C. Hovey

doi:10.1038/scientificamerican01261989-55


Trial Trip of the Vesuvius p56

doi:10.1038/scientificamerican01261989-56


To Inventors p59

doi:10.1038/scientificamerican01261989-59


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