The Preparation of Gas for Balloons
What Chemistry Has Done for Ballooning
Volume 71, Issue 1840supp
You are currently logged out. Please sign in to download the issue PDF.
Features
The Effect of Radium on the Higher Animals
Prof. London's Researches
The Air-brake as Related to Progress in Locomotion—I
The History of a Great Invention
Correspondence
The Bergen-Christiania Railway Contrasted with Two American Railroads
Alloys for Permanent Magnets, Effect of Paris Flood on Electrical Machinery
Breakwaters on the West Coast of Jutland
The Vornpör and Hanstholm Walls
Potash Salts: Light on an International Controversy—II
Their Uses and Occurrence in the United States
A New Method of Exploring the Earth's Interior
New Toys
Interesting French Inventions
Legal Operations of the Department of Agriculture
The Aims of Astronomy of Precision
A Resume of Modern Methods