Scientific American Magazine
Volume 19, Issue 1You are currently logged out. Please sign in to download the issue PDF.
Features
Improvement in Steering Apparatus for Vessels, Improved Burglar-proof Safe, and more
Cutlery--United States Industry
Vegetable Coloring Matter
Cast-Iron Working in Scotland
A New Jersey Fish Farm
Fell's Railway over Mont Cenis
Herring's Center Vent Water Wheel
Recent American and Foreign Patents
Editorial Summary
Manufacturing, Mining, and Railroad Items
Extension Notices
New Publications
Answers to Correspondents
Betting Against the Weather
The Progress of Mechanical Invention
Savery's Improved Expanding Pulley
The Hoosac Tunnel--Drilling by Machinery
Reform in the British Patent System
Supply of Cold Air to Furnaces Employed for Warming Buildings
Balancing of Machinery--The Centrifugal Hydro-Extractor
Mind Your Business
Patents and Claims
Departments
Business and Personal
Correspondence
Patents