Scientific American Magazine Vol 41 Issue 22

Scientific American Magazine

Volume 41, Issue 22

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Features

The American Public Health Association

The Holyoke Turbine Tests

Collisions at Sea

The Use of Steel for Bridges

Edison's Electric Generator

How Far Can We Hear with the Telephone?

New Foundation Plate for Elevated Railways

Miscellaneous Inventions

A New Velocipede

A New Sweeper

New Automatic Fire Lighter

American Industries--No. 24

Some Recent Inventions

New Musical Instrument

New Window Cleaning Chair

Tadpoles

House-Builder Moth

Recent Decisions Relating to Patents, Trade Marks, Etc.

Mechanical Inventions

Departments

Correspondence

Notes and Queries

Index of Inventions

Business and Personal

New Books and Publications