Scientific American Magazine
Volume 29, Issue 13You are currently logged out. Please sign in to download the issue PDF.
Features
Havens' Automatic Wire Rope Railway
Manufacture of Illuminating Gas from Crude Petroleum
The Department of Parks, New York City
Chemical Sugar
The Vienna Patent Congress Once More
Gas as Fuel
Failure of the Balloon to Europe
Scientific and Practical Information - September 27, 1873
Tidings from the Missing Arctic Explorers
New Steam Motor - September 27, 1873
The Rigi Railway
Earwigs
The Planet Mars--Is It Inhabited?
The Great Exposition--Letter From United States Commissioner Professor R. H. Thurston
Combined Spade and Fork
Combined Water and Pressure Gage
Improved Railroad Hand Brake
Down Hall, near Harlow, Essex, England
Improved Clutch Drill
The Magic Lantern as a Means of Demonstration
Recent American and Foreign Patents - September 27, 1873
Vienna Premiums Again and the American Sewing Machines
Answer to Correspondents - September 27, 1873
Communications Received - September 27, 1873
Departments
Correspondence - September 27, 1873
New Books and Publications - September 27, 1873
Business and Personal - September 27, 1873
Notes and Queries - September 27, 1873
Index of Inventions - September 27, 1873
