Volume 1, Issue 12
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Features
Parce's Hoisting Crane
What is the Cause of Honey-Dew?
A Flying Trip to the West
Corns and Chilblains
Cannel Coal and its Oils
Abstract Science and Philosophy
Canadian Lake and Ocean Navigation
The Scientific Association
Eagles—Ornithology
Steamboat Disasters
Hot-Air Ovens for Iron Furnaces
Egg-Beater
To Keep Grapes Fresh
Reaping-Machine Trial--Letter from Mr. McCormick
Grain and Rice Hulling Machine
Hooper's Improved Steam Boiler
Improvement in Making Oil of Vitriol
Phosphorescence
Roofing the Victoria Bridge
How the Pyramids Were Built
New York Artificial River
Safety for Steamboats
Manufacture of the Otto of Roses
To Cleanse Wool for Home Use
A Column of Interesting Varieties
Improved Broadcast Seeding Machine
Sugar-Cane Mills
The Old Earth
Navigating the Air
Deflection of Girders Under Different Speeds
Richard Cobden & American Mechanics
Hard India-Rubber
The Cotton Crop
Steam Boiler Explosions
Weekly Summary of Inventions
Foreign Summary—Metals and Markets
Patent Claims
Issued from the United States Patent Office