<  Back to Archive
Scientific American Magazine Vol 12 Issue 5

Scientific American Magazine

Volume 12, Issue 5

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

Features

Tool for Drawing Broken Pump Rods

How to Shrink Collars on a Shaft

Mechanical Hand Rake

The Law of Successive Species

Some Facts About Peru

Polytechnic Association of the American Institute

The Metric System

Turning Tools

Editorial Correspondence

Professor Page the Inventor of the Ruhmkorff Coil

Hardening and Tempering Steel

Guns Bursting in Action

Adulterating Lard with Water

Beam Engines

Dispatch from Assistant Secretary Fox

The Size of Holes in Furnace Doors

A Gas Explosion

A Sensible New Year's Gift

Paper from Cane

Special Notice

Professor Grove on Light

Recent American Patent

Patent Claims

Departments

Patents

Notes and Queries