Scientific American Magazine
Volume 25, Issue 19You are currently logged out. Please sign in to download the issue PDF.
Features
Organ Blowing Apparatus
Model Iron Works
Ireland's Vaults for the Safe Keeping of Valuables
Steam Versus Disease
Improvement in Earth Closets
Coogan's Machine for Boarding Pebbling, and Glossing Leather
Bock's Improved One Horse Sleigh Shaft
The Champion Spring Bed
The Dependence of Future Mechanical Progess upon the Discovery of New Materials
Fireproof Building
Validity of Patents Issued under the New Law
The Leisure Time of Boys
Death of Sir Roderick Impey Murchison
Something about Faces
Fair of the American Institute.--Additional Objects of Interest
Large Number of Patents Extended
Recent American and Foreign Patents- November 4, 1871
Queries- November 4, 1871
Answers to Correspondents- November 4, 1871
Official List of Patents- November 4, 1871
Applications for Extension of Patents- November 4, 1871
Departments
Correspondence- November 4, 1871
New Books and Publications- November 4, 1871
Business and Personal- November 4, 1871
