Scientific American Magazine
Volume 28, Issue 13You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Stone Quarrying Machine
Explosions Due to Low Water
Pseudo Science
Proposed New Patent Law in England
Injustice to Workmen
Kircher's Remarkable Observations Concerning the Sun
The Siphon Recording Telegraph Instrument
Lens Fires
Curious Effect of Light on Selenium
The Detroit River Tunnels
The Vienna Exhibition
Scientific and Practical Information
The Strength of Timber
New Valve Gearing for Steam Engines
Gin Saw Filing Machine
The Hixson Beehive
The Coffee Gardens of Arabia
The Bridal Veil, Havana Glen N. Y.
The Ralston Inclined Railway
Decisions of the Courts
Recent American and Foreign Patents
Answers to Correspondents
Communications Received
Departments
Correspondence - March 29, 1873
Notes and Queries - March 29, 1873
Business and Personal - March 29, 1873
Index of Inventions - March 29, 1873