Mechanical Analogies in Electricity
Artificial Aids to the Understanding of Principles
Volume 84, Issue 2179supp
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Features
Cloud Flying
Intensive Fish Breeding in Ponds
Salt-rising Bread
Raising Dough With Newly Discovered Bacteria
The Biologic Method of Studying the Properties of Soil
Marching Fractures
Heat Treatment of Metals
The Art of Treating Low and High Carbon Steel with Gaseous Fuel
The Blister Rust of the White Pines
A Menace to Our Forests of European Origin
Developing Crystallized Mineral Specimens
Salt-Licks and Alkali Springs for Elk
The Cause of the So-Called Pole-Effect in the Electric Arc
The Making of a 6-inch Reflecting Telescope—I
Instructions for the Amateur Instrument Builder