Volume 12, Issue 46
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Features
Centrifugal Battery
List of Patent Claims
How to Fall Asleep
A Novel Apiary
Live Fences
Four Rainbows Seen at One Time
The Great Eastern-Excursion
White Mountain Carriage Road
The “Secret” Cancer Cure
Salt
The Food Question
Gas Manufacture
Learning Without a Teacher
Improved Cork Cutter
The Great Telegraph
Flouring Extraordinary
Artificial Hair
Inventors Have Sunshine as Well as Shade
Decker's Corn and Pumpkin Seed Planter
The Beef Question
Crossing of Railroad Tracks
Sweet Odors
Steam on Canals
Effect of the Increase of Gold
The National Hotel Disease
Telegraph Cable
Coloration of Poisons
Poisons and Antidotes
Mathematics
Effects of Light
Steam Plowing
Piscaculture
Making Wood Fire-Proof
Peat
Pacific Wagon Road
Reverberatory Furnaces
Modification of Wood Bearings
Sulphur Paint
Preparation of Flax Fibre
Explosive Rifle Bullet
Correspondents
Mechanics
Inventors, and Manufacturers