Table of contents


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Departments

Inventions

Recent Inventions pp83 - 84

doi:10.1038/scientificamerican02051881-83b


Correspondence

Correspondence p84

doi:10.1038/scientificamerican02051881-84a


Inventions

New Inventions p86

doi:10.1038/scientificamerican02051881-86b


Business and Personal

Business and Personal p90

doi:10.1038/scientificamerican02051881-90


Notes and Queries

Notes and Queries pp90 - 91

doi:10.1038/scientificamerican02051881-90a


Books

New Books and Publications p91

doi:10.1038/scientificamerican02051881-91a


Index

Index of Inventions p91

doi:10.1038/scientificamerican02051881-91b


Patent Notes

Patents p92

doi:10.1038/scientificamerican02051881-92


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Articles

Street Illumination p80

doi:10.1038/scientificamerican02051881-80


Aunrecognized Qualities in Charcoal p80

doi:10.1038/scientificamerican02051881-80a


Electric Signals for the New York Elevated Railways p80

doi:10.1038/scientificamerican02051881-80b


Gas in Steel and Glass Making pp80 - 81

doi:10.1038/scientificamerican02051881-80c


Trees in Cities p81

doi:10.1038/scientificamerican02051881-81


Singular Discovery in Connection with Phosphorescence p81

doi:10.1038/scientificamerican02051881-81a


A Description of Caucasian Petroleum p81

doi:10.1038/scientificamerican02051881-81b


Electro-Metallurgy pp81 - 82

doi:10.1038/scientificamerican02051881-81c


Improved Lock for Museum Cases p82

doi:10.1038/scientificamerican02051881-82


Butter Cooler and Water Holder p82

doi:10.1038/scientificamerican02051881-82a


Miscellaneous Inventions pp82 - 83

doi:10.1038/scientificamerican02051881-82b


Many-Color Printing Press p83

doi:10.1038/scientificamerican02051881-83


New Microphone p83

M. Boudet

doi:10.1038/scientificamerican02051881-83a


Decisions Relating to Patents p84

doi:10.1038/scientificamerican02051881-84


The Obelisk in Central Park p85

doi:10.1038/scientificamerican02051881-85


Improved Bench Clamp p86

doi:10.1038/scientificamerican02051881-86


Improved Extension Table p86

doi:10.1038/scientificamerican02051881-86a


The Sea Cat p87

doi:10.1038/scientificamerican02051881-87


Jersey Bull Diavolo p87

doi:10.1038/scientificamerican02051881-87a


Natural History Notes pp87 - 89

doi:10.1038/scientificamerican02051881-87b


Communications Received p91

doi:10.1038/scientificamerican02051881-91


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