Features
Japanese Paper
Altitudes of Railways above Sea-Level
The German Beer Industry
Origin of the Word “Physician.”
Cycle Construction and Design
The Homemade Windmills of Nebraska
The Development of the Arch Principle
Luminous “Vortex Rings.”
The Resistance of the Air
The Catalytic Process for the Manufacture of Sulphuric Acid
Armored Turrets
The Mors Carriage
Trade Suggestions from United States Consuls
Selected Formulæ
Miscellaneous Notes
Trade Notes and Receipts
The Canker Worm
Phylogeny of Rust
Kauri Gum
Struck by a Fragment of a Meteor
A New Trade Route to Siberia
A Novel Trap for Cockroaches
Preservatives and Dyes in Articles of Food
Why is the Negro Black?
Car Lighting with Pintsch Gas, City Gas and Acetylene Mixture
Patents!
Departments
- Departments
New Books Etc.
