Features
Iron and Its Manufacture
Perpetual Motion
High and Low Water Alarm for Steam Boilers
Device for Sharpening Horseshoe Calks
Samuel F. B. Morse
Apparatus for Making and Inhaling Oxygen
Heating of Buildings
To Make a Cheap and Good Small Ice House
Boiler Explosions
Scientific American-December 3, 1870
Spiritualism and Science
A Brutal Exhibition
Letters from the South- December 3, 1870
Scientific Intelligence-December 3, 1870
Answers to Correspondents- December 3, 1870
Queries- December 3, 1870
Official List of Patents- December 3, 1870
Recent American and Foreign Patents- December 3, 1870
Departments
- Letters
Correspondence-December 3, 1870
- Recommended
New Books and Publications- December 3, 1870
- Departments
Business and Personal- December 3, 1870
