Table of contents


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Departments

Correspondence

Correspondence p84

doi:10.1038/scientificamerican02071874-84


Books

New Books and Publications p88

doi:10.1038/scientificamerican02071874-88b


Business and Personal

Business and Personal p90

doi:10.1038/scientificamerican02071874-90


Index

Index of Inventions pp91 - 92

doi:10.1038/scientificamerican02071874-91a


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Articles

The Gatling Gun pp79 - 80

doi:10.1038/scientificamerican02071874-79


Importance of Advertising p80

doi:10.1038/scientificamerican02071874-80


Is Vitality Vital? p80

doi:10.1038/scientificamerican02071874-80a


The Dover and Calais Tunnel p80

doi:10.1038/scientificamerican02071874-80b


The Siamese Twins pp80 - 81

doi:10.1038/scientificamerican02071874-80c


The One Hundred Thousand Dollar Canal Reward p81

doi:10.1038/scientificamerican02071874-81


The Turner Car Brake-Application for an Extension p81

doi:10.1038/scientificamerican02071874-81a


The New England Association of Inventors and Patent Owners p81

doi:10.1038/scientificamerican02071874-81b


The Philosophy of the Sand Blast p81

doi:10.1038/scientificamerican02071874-81c


Scientific and Practical Information p81

doi:10.1038/scientificamerican02071874-81d


Professor Coffin p82

doi:10.1038/scientificamerican02071874-82


Utilization of Copper Scraps in Electro Plating p82

doi:10.1038/scientificamerican02071874-82a


New English Thrashing Machines pp83 - 84

doi:10.1038/scientificamerican02071874-83


Astronomical Notes p84

doi:10.1038/scientificamerican02071874-84a


Professor Agassiz on the Darwinian Theory— Interesting Facsimile Letter from the Great Naturalist p85

doi:10.1038/scientificamerican02071874-85


Fire and Waterproof Chimney Guard p86

doi:10.1038/scientificamerican02071874-86


Physician's Cane p86

doi:10.1038/scientificamerican02071874-86a


The Toselli Torpedo p86

doi:10.1038/scientificamerican02071874-86b


Patent Barrel Head p86

doi:10.1038/scientificamerican02071874-86c


Professor Proctor's Astronomical' Lectures pp87 - 88

doi:10.1038/scientificamerican02071874-87


Patent Office Decisions p88

doi:10.1038/scientificamerican02071874-88


Decisions of the Courts p88

doi:10.1038/scientificamerican02071874-88a


Recent American and Foreign Patents pp88 - 89

doi:10.1038/scientificamerican02071874-88c


Answers Correspondents pp90 - 91

doi:10.1038/scientificamerican02071874-90a


Communications Received p91

doi:10.1038/scientificamerican02071874-91


Canadian Patents p92

doi:10.1038/scientificamerican02071874-92


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