Scientific American Magazine Vol 75 Issue 25

Scientific American Magazine

Volume 75, Issue 25

You are currently logged out. Please sign in to download the issue PDF.

Features

The President's Message

The Underground Trolley and the Third Rail in Electric Traction

Armored Torpedo Boats

Improved Ball Bearing for Bicycle Hubs

The Perfected Duryea Carriage

The American Museum of Natural HistoryIts Collections and WorkThe Mounting of the Elephant "Tip"

Logging in the Sierra Nevada Mountains, California

The Eiffel Tandem

A Novel Camera

Departments

Correspondence - December 19, 1896

Recently Patented Inventions - December 19, 1896

Business and Personal - December 19, 1896

Notes and Queries - December 19, 1896

Index of Inventions - December 19, 1896

Patents! - December 19, 1896