Use of Gas from a Hygienic Standpoint
What Gas Means in a Building
Features
Horn Waste
Distillation of Soft Wood
Practical Suggestions for the Industrial Chemist
The Development of Armored War Vessels.—X
Armor Plating in the United States
Diamond Cutting in Amsterdam
A Curious Craft
The Electrodeposition of Tin
Floating Cranes
A Review Hoisting Devices
Casting Copper
Robert Fulton and the Sidewheel Steamboat
Iron Hands
Some Curious Old Contrivances
Biographical X-Ray Pictures of Respiration
Our Berlin correspondent
Great use of Stone
Deformation and Variation in Sea Level
The Distribution of the Stars
The Wonders of the Sidereal System
