Scientific American Magazine
Volume 52, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
Treatment of Steel
Inside Calipering
Shop Remedies
Cast Iron Finish
Invention as an Art
Has Electric Light Any Effect on the Growth of Plants?
Improved Tricycle
Improved Spirit Level
Improved Harrow
A Remarkable Fungoid Growth
Navigable Trains of Air Ships
The Pneumatic System of the Western Union
Improved Rail Mill Engines
An Aquatic Velocipede
Decisions Relating to Patents - February 14, 1885
Agricultural Inventions - February 14, 1885
Miscellaneous Inventions - February 14, 1885
Special - February 14, 1885
Engineering Inventions - February 14, 1885
Departments
Correspondence - February 14, 1885
Index of Inventions - February 14, 1885
Notes and Queries - February 14, 1885
Business and Personal - February 14, 1885
