Scientific American Magazine
Volume 13, Issue 4You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Bank Lock
Water and Morals
The Worthlessness of Gold
Lavas
Gas From Peat
Crystallization
The Great Eastern
Activity at the Patent Office
The Cotton Crop
Crystal Palace Visitors
Frederick Sauvage
Good News for Inventors
Improved Grain Cleaner
Contemplated Introduction of Seed from Northern China
Jennings' Improved Carriage Tops
Inventors, to the Rescue!
Fifteen Hundred Dollars in Cash Prizes
The Twenty-Ninth Annual Fair of the American Institute
Failure of the Atlantic Telegraph--Its Cause and Prospects
Electricity
Coal-Breaker Patent Extended
An English Opinion of the United States Patent Office Management
Correspondents
New Prospectus
Fee's Improved Cotton Seed Huller
Temperature of Liquids
Massey's Leakage Alarm Gage for Ships
