Features
The Late Rev. W. V. Harcourt's Researches on Glass
Horse Shoeing
Paper Making in Japan
The American Safety Student Lamp
Lowe's Bucket Elevator
Filtration in Refineries and Manufactories
Fairlie's Improvements in Locomotive Engines
Herr's Paper File
A Gigantic Railway Project
The New Jersey Zinc Company
Comets
Fireproof Building
The Great Fires in the Northwest
Electricity in Medicine
Fair of the American Institute
Scientific Intelligence- October 28, 1871
Fireproof Safes--Improvements Urgently Called for
Answers to Correspondents- October 28, 1871
Queries- October 28, 1871
Recent American and Foreign Patents- October 28, 1871
Applications for Extension of Patents- October 28, 1871
Official List of Patents- October 28, 1871
Departments
- Letters
Correspondence- October 28, 1871
- Departments
Business and Personal- October 28, 1871