Scientific American Magazine
Volume 33, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
A Strong Room for Valuables
Surface Adhesion
How Some Mountain Gaps Have Been Formed
The Woodbury Planer War
Scientific and Practical Information - November 13, 1875
American Inventions Re-Discovered in Europe
Expansion and Contraction by Moisture
Man as an Automaton
Lubricating Device for Sewing and other Light Machines
A New Patent File
The Proposed Refrigerator Steamer
A New Propeller
Ancient War Engines
Flasks for Liquid Carbonic Acid
Laying off a Square
Hale's Duplex Water Elevator
Improved Odorless Water Closet
The Yucca Stricta
Production of Heat and Light
Miscellaneous Useful Inventions
Professor Bunsen's New Apparatus and Battery for Spark Spectra
New Agricultural Inventions - November 20, 1875
New Chemical and Miscellaneous Inventions - November 20, 1875
Recent American and Foreign Patents - November 20, 1875
New Household Articles - November 20, 1875
New Mechanical and Engineering Inventions - November 20, 1875
Communications Received - November 20, 1875
Canadian Patents - November 20, 1875
Departments
New Books and Publications - November 20, 1875
Notes and Queries - November 20, 1875
Business and Personal - November 20, 1875
Index of Inventions - November 20, 1875
