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Scientific American Magazine Vol 48 Issue 13

Scientific American Magazine

Volume 48, Issue 13

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Features

Improved Filters

Sites for Water Supplies

Analysis of Water

Education for Mechanics

Some Answers to Correspondents

Aspects of the Planets for April

New Fanning Apparatus

New Pile for Galvano Cautery

Improved Hat Holder

Buggy Bow Spring

The Nordenfelt Gun

The Archer Fish

Mechanical Inventions

Agricultural Inventions

Miscellaneous Inventions

Engineering Inventions

Departments

Correspondence

Recent Inventions

Business and Personal

Notes and Queries

Index of Inventions