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Features

The American Public Health Association

Collisions at Sea

The Holyoke Turbine Tests

Edison's Electric Generator

How Far Can We Hear with the Telephone?

The Use of Steel for Bridges

A New Velocipede

New Foundation Plate for Elevated Railways

Miscellaneous Inventions

A New Sweeper

New Automatic Fire Lighter

Some Recent Inventions

American Industries--No. 24

New Musical Instrument

New Window Cleaning Chair

House-Builder Moth

Tadpoles

Recent Decisions Relating to Patents, Trade Marks, Etc.

Mechanical Inventions

Departments

  • Departments

    Correspondence

  • New Books and Publications

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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