Features
On Steam Boiler Inspection
The Artisan in Prussia
The Application of Photography to Military Purposes
The Scarabæids
Stone Sawing
The Southern Demand for Machinery
The St. Louis Bridge
A want in Locomotive Engineering
American Association for the Advancement of Science
The Millennium, or Something Like It
Craik's Practical American Millwright and Miller
The Analysis of Milk
Paraffine Industry
Height and Weight
Scientific Intelligence- September 3, 1870
$20,000 Bonus for a New Press
Divisibility of Matter and Size of Chemical Atoms
Enterprising Journalism
Answers to Correspondents- September 3, 1870
Recent American and Foreign Patents- September 3, 1870
Official List of Patents- September 3, 1870
Departments
- Letters
Correspondence- September 3, 1870
- Recommended
New Books and Publications- September 3, 1870
- Departments
Business and Personal- September 3, 1870