Table of contents


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Departments

Correspondence

Correspondence p7

doi:10.1038/scientificamerican07031886-7


Books

New Books and Publications p10

doi:10.1038/scientificamerican07031886-10b


Business and Personal

Business and Personal p10

doi:10.1038/scientificamerican07031886-10c


Notes and Queries

Notes and Queries p11

doi:10.1038/scientificamerican07031886-11


Index

Index of Inventions pp11 - 12

doi:10.1038/scientificamerican07031886-11b


Patent Notes

Patents p14

doi:10.1038/scientificamerican07031886-14


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Articles

Simple Experiments in Polarized Light p1

Geo. M. Hopkins

doi:10.1038/scientificamerican07031886-1


The Illuminating Gas Industry p2

doi:10.1038/scientificamerican07031886-2


Photographic Notes p2

doi:10.1038/scientificamerican07031886-2a


Compressed Air for Life Boats p3

doi:10.1038/scientificamerican07031886-3


Night Sky-June and July p3

Richard A. Proctor

doi:10.1038/scientificamerican07031886-3a


Music Holder p4

doi:10.1038/scientificamerican07031886-4


Liquid Emptier p4

doi:10.1038/scientificamerican07031886-4a


Improved Sad Iron p4

doi:10.1038/scientificamerican07031886-4b


Scraping Knife for Painters p4

doi:10.1038/scientificamerican07031886-4c


Improved Car Seat p4

doi:10.1038/scientificamerican07031886-4d


Automatic Stop for Engines p5

doi:10.1038/scientificamerican07031886-5


Improved Woodworking Machine p5

doi:10.1038/scientificamerican07031886-5a


Steel Wire Door Mat p5

doi:10.1038/scientificamerican07031886-5b


Decisions Relating to Patents p7

doi:10.1038/scientificamerican07031886-7a


Improved Boring and Facing Machine p8

doi:10.1038/scientificamerican07031886-8


Triple Calla Lily p9

doi:10.1038/scientificamerican07031886-9


Experiments in Atmospheric Pressure and Condensation of Steam p9

T. O'Connor Sloane

doi:10.1038/scientificamerican07031886-9a


Engineering Inventions p10

doi:10.1038/scientificamerican07031886-10


Miscellaneous Inventions p10

doi:10.1038/scientificamerican07031886-10a


To Inventors p11

doi:10.1038/scientificamerican07031886-11a


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