Table of contents


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Departments

Correspondence

Correspondence p216

doi:10.1038/scientificamerican10021886-216


Business and Personal

Business and Personal p218

doi:10.1038/scientificamerican10021886-218c


Books

New Books and Publications p219

doi:10.1038/scientificamerican10021886-219


Notes and Queries

Notes and Queries p219

doi:10.1038/scientificamerican10021886-219a


Index

Index of Inventions pp219 - 220

doi:10.1038/scientificamerican10021886-219b


Patent Notes

Patents p222

doi:10.1038/scientificamerican10021886-222


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Articles

The Demagnetization of Watches p207

M. Hopkins

doi:10.1038/scientificamerican10021886-207


Long Distance Telephony p208

doi:10.1038/scientificamerican10021886-208


Night Sky—September and October p209

Richard A. Proctor

doi:10.1038/scientificamerican10021886-209


Eaves-Trough Hanger p210

doi:10.1038/scientificamerican10021886-210


Drag Saw p210

doi:10.1038/scientificamerican10021886-210a


Car Coupling p210

doi:10.1038/scientificamerican10021886-210b


Improved Padlock p210

doi:10.1038/scientificamerican10021886-210c


Improved Car Starter p211

doi:10.1038/scientificamerican10021886-211


Pendulum Hoist p211

doi:10.1038/scientificamerican10021886-211a


The Allard Spiral Screw Driver p211

doi:10.1038/scientificamerican10021886-211b


Cutting Apparatus for Mowers and Reapers p211

doi:10.1038/scientificamerican10021886-211c


Combination Tool p211

doi:10.1038/scientificamerican10021886-211d


New Orleans pp212 - 213

doi:10.1038/scientificamerican10021886-212


Experiments in Pneumatics with a Steam Vacuum p214

T. O'Conor Sloane, Ph. D

doi:10.1038/scientificamerican10021886-214


The Hamburg Electric Tramway p215

doi:10.1038/scientificamerican10021886-215


Photographic Notes p216

doi:10.1038/scientificamerican10021886-216a


Decision Relating to Patents p216

doi:10.1038/scientificamerican10021886-216b


Trade Mark Decision p216

doi:10.1038/scientificamerican10021886-216c


A Tropical Stag Beetle p217

doi:10.1038/scientificamerican10021886-217


Engineering Inventions p218

doi:10.1038/scientificamerican10021886-218


Agricultural Invention p218

doi:10.1038/scientificamerican10021886-218a


Miscellaneous Inventions p218

doi:10.1038/scientificamerican10021886-218b


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