Table of contents

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ISSUE

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August 9, 1879, Volume 41 No 6 pp79-94

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Departments

Correspondence

Correspondence p84

doi:10.1038/scientificamerican08091879-84

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Business and Personal

Business and Personal p91

doi:10.1038/scientificamerican08091879-91

PDF (469 KB)

Books

New Books and Publications p91

doi:10.1038/scientificamerican08091879-91a

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Notes and Queries

Notes and Queries pp91 - 92

doi:10.1038/scientificamerican08091879-91b

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Index

Index of Inventions p92

doi:10.1038/scientificamerican08091879-92a

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Patent Notes

Patents p94

doi:10.1038/scientificamerican08091879-94

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Articles

The Manufacture of Valves pp79 - 80

doi:10.1038/scientificamerican08091879-79

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What to do Next Winter pp80 - 81

doi:10.1038/scientificamerican08091879-80

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Probable Opportunities for New Discoveries in Acoustics p81

doi:10.1038/scientificamerican08091879-81

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The New Bureau of National Survey p81

doi:10.1038/scientificamerican08091879-81a

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How to Preserve Cider p81

doi:10.1038/scientificamerican08091879-81b

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Changes in Photography p81

doi:10.1038/scientificamerican08091879-81c

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Spirit Photographs p81

doi:10.1038/scientificamerican08091879-81d

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The Electrical Alarm Compass p81

doi:10.1038/scientificamerican08091879-81e

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Improved Pressing Machine p82

doi:10.1038/scientificamerican08091879-82

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Improved Grinding Mill p83

doi:10.1038/scientificamerican08091879-83

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A New Railroad Tie p83

doi:10.1038/scientificamerican08091879-83a

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Engineering Inventions pp83 - 84

doi:10.1038/scientificamerican08091879-83b

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New Agricultural Inventions pp84 - 85

doi:10.1038/scientificamerican08091879-84a

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A New Optical Delusion p85

doi:10.1038/scientificamerican08091879-85

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Improvement in Saw Gumming p86

doi:10.1038/scientificamerican08091879-86

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Improved Nut Lock p86

doi:10.1038/scientificamerican08091879-86a

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The Narica pp87 - 88

doi:10.1038/scientificamerican08091879-87

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Miscellaneous Inventions pp88 - 90

doi:10.1038/scientificamerican08091879-88

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Recent Mechanical Inventions p90

doi:10.1038/scientificamerican08091879-90

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Communications Received p92

doi:10.1038/scientificamerican08091879-92

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