Scientific American Magazine
Volume 22, Issue 13You are currently logged out. Please sign in to download the issue PDF.
Features
Improvement in Machines for Dressing Millstones
Circulation of Water in Steam Boilers
On Tungsten
The Home of the Perfumes
Boiler Incrusuations
The New Grand Opera House, Paris
A Home-Made Differential Thermometer
One-Horse Road Steamer to Carry Two Persons
Recent Speculations on the Earth's Origin
Profits of Advertising
Williams' Improvement in Locking Nuts
Proportion of Heat Utilized in Steam Engines
Supplementary Report of the Massachusetts Railroad Commissioners on Steel Rails
Our New Paper Currency
Engineering Projects
Scientific Intelligence- March 26, 1870
Every Pane of Glass is a Hole to Heat
Recent American and Foreign Patents- March 26, 1870
Answers to Correspondents- March 26, 1870
Official List of Patents- March 26, 1870
Departments
Correspondence- March 26, 1870
Business and Personal- March 26, 1870
New Books and Publications- March 26, 1870
