Scientific American Magazine Vol 67 Issue 22

Scientific American Magazine

Volume 67, Issue 22

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Features

A Laboe Gas Engine

The Comet

A Recent Projectile Trial

An Improved Envelope and Wrapper

Sargent's Smoke Preventing Furnace

Electro-Mechanical Telephone Exchange

The Jaffa and Jerusalem Railway

Large Dynamo Armature for Direct Driving

Improved Winding Gear for Seventy-Five Ton Shear Legs

Prince Edward Island Tunnel Test

Departments

Correspondence- November 26, 1892

New Books and Publications- November 26, 1892

Recently Patented Inventions- November 26, 1892

To Inventors- November 26, 1892

Business and Personal- November 26, 1892

Index of Inventions- November 26, 1892

Notes and Queries- November 26, 1892