Scientific American Magazine
Volume 22, Issue 26You are currently logged out. Please sign in to download the issue PDF.
Features
The Wharfdale Two-Feeder Printing Press
Scientific Education for Women
Ancient and Modern Coinage
Habits of the Striped Squibbel--A White Wood-Chuck
Improved Match Safe
The Bee-Eating Sand-Wasp
The Mammoth Cave and the Cave Regions of Kentucky
Patent Office Affairs- June 25, 1870
The Dawn of an Important Industry
The Close of Volume XXII
Danger of Explosion and Collapse in Kitchen Boilers-How to Avoid it
Six Mouths of Progress in Mechanical and Civil Engineering
Extension of a Sewing Machine Patent
Instruments for Sounding Alarms
St. Anthony's Nose and the Manufacture of Sulphuric Acid
Civilization Versus Nature
Recent American and Foreign Patents- June 25, 1870
Official List of Patents- June 25, 1870
Answers to Correspondents- June 25, 1870
Departments
Business and Personal- June 25, 1870
Index- June 25, 1870
