Scientific American Magazine
Volume 22, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
Improvement in Marine Staterooms and Furniture, Presence of Mind, and more
Codfish as Food for Man, Beast, and Vegetable
The Wire Rope Tramway at Brighton England
Furrowing and Pitting in Locomotive Boilers
A Beetle on the War Path
On Ruthenium
Rubber Tip for Furniture Legs
Is Hydrogen a Metal?
The Steam Man
How People Live Too Fast
The Value of Science
The Yacht Races
Artificial Stone
Washington Considered as a Place for an Exhibition
Answers to Correspondents- May 21, 1870
Recent American and Foreign Patents- May 21, 1870
Official List of Patents- May 21, 1870
Departments
Correspondence- May 21, 1870
Business and Personal- May 21, 1870
New Books and Publications- May 21, 1870
