Features
Spencer's Cure for Garrulity
The First Magnetician
What the Microscope has Done
Purification of Drinking Water by Ozone According to the Siemens & Halske Process
Double Boring Mill
The Modern Bessemer Plant
A City Fuel Oil Pipe System
Effect of Propeller Pitch on Speed
Ocean's many Microbes
Platinum Discoveries
An Experience in a Gaseous Mine
The Role of Mosquitoes in the Dissemination of Diseases
“Crime” among Animals
Why are Sea Birds White?
The Harpoon-Foremost among Savage Inventions
Electrolytic Production of Metals, with Special Reference to Copper and Nickel
Alcohol Lamp and Mirograph Projection Apparatus
Horn Lightning-Arresters with iron Framing
Direct Combination of Chlorine with Carbon
Trade Notes and Recipes
Attar of Ylang-Ylang
New Green Coloring Substance Extracted from the Blood of Animals Poisoned with Phenylhydrazine
Trade Suggestions from United States Consuls
Selected Formulæ
Departments
- Departments
Patents - August 23, 1902