<  Back to Archive
Scientific American Magazine Vol 48 Issue 23

Scientific American Magazine

Volume 48, Issue 23

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

Features

Drop Forging of Tool Steel

Aspects of the Planets for June

An Accident on the Great Bridge

Improved Water Heater

A Novel Air Motor

Atmospheric Dust and Germs

Fire and Burglar Proof Safes

Electric Lighting on the Arizona

The Helmet Cassowary

Engineering Inventions

Mechanical Inventions

Agricultural Inventions

Miscellaneous Inventions

Departments

Correspondence

Recent Inventions

Business and Personal

Notes and Queries

New Books and Publications

Index of Inventions