Scientific American Magazine Vol 40 Issue 14

Scientific American Magazine

Volume 40, Issue 14

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Features

New Acoustic Apparatus

Geo. M. Hopkins

Gary's Alleged Neutral Line

Labor and the Cost of Living

Dangers of Lead Poisoning from the Use of Tinned Ware

A Contrast between American and English Artisans

The Neutral Line.--A Note from Mr. Gary

Miss Hosmer's Motor

The Security of the East River Bridge

Heinrich Geissler

The Herreshoff Torpedo Launch

An Improved Lawn Mower

A New Shipping Tag

Some Recent American Patents

Western Iowa Coal Fields

An Improved Press

The Bobac

Miscellaneous Inventions

New Automatic Siphon

Supreme Court Decision

Ownership of the Second Term of an Extended Patent

An Improved Washing Machine

De Kay's Snake

C. Few Seiss

To Inventors

Communications Received

Departments

Notes and Queries

Business and Personal

Index of Inventions