Scientific American Magazine Vol 70 Issue 8

Scientific American Magazine

Volume 70, Issue 8

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Features

How to Make a Telephone Call

The Fifty Thousand Dollar Reward for Street Car Propulsion

Marvelously Low-Priced Watches

Supplemental Colored Ink Fountains for Printing Presses

Corrugated Plate Metallic Lathing

An Aerial Vessel

A Distilling Apparatus for Families

An Improved Relief Valve

A Current Collector for Dynamos

The Webb Academy and Home for Ship Builders

The Four-Masted Ship Afghanistan

Interesting Experiments

F. J. Hillig

Departments

Correspondence - February 24, 1894

Recently Patented Inventions - February 24, 1894

Business and Personal - February 24, 1894

Notes and Queries - February 24, 1894

New Books and Publications - February 24, 1894

Index of Inventions - February 24, 1894

Patents - February 24, 1894