Features
Concrete for Building Purposes
Is It a Dastardly Outrage?
Progress of Cabs
A Great Unrecognized Inventor
The Vienna Show
Scientific and Practical Information - August 9, 1873
Madder, Vegetable and Chemical
The Star Shower of August 10
Properties of Saturated Steam
A New Application of Spectrum Analysis
Cheese Skipper Exterminator
Improved Milk Refrigerator
The Great Exposition--Letter from United States Commissioner Professor R. H. Thurston
Abbe's Patent Bolt Forging Machine
Pneumatic Screw Ventilator for Cars
The Cecropia Silkworm
Double-Acting Bucket Plunger Steam Pump
Recent American and Foreign Patents - August 9, 1873
Decisions of the Courts - August 9, 1873
Value of Patents, and How to Obtain Them
Answers to Correspondents
Communications Received - August 9, 1873
Departments
- Letters
Correspondence - August 9, 1873
- Departments
Business and Personal - August 9, 1873
Index of Inventions - August 9, 1873
