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Method for Purifying Hard Water

What is the Cause of Honey-Dew?

Parce's Hoisting Crane

A Flying Trip to the West

Corns and Chilblains

Cannel Coal and its Oils

The Scientific Association


Canadian Lake and Ocean Navigation

Abstract Science and Philosophy

Steamboat Disasters

Hot-Air Ovens for Iron Furnaces


To Keep Grapes Fresh

Reaping-Machine Trial--Letter from Mr. McCormick

Hooper's Improved Steam Boiler

Grain and Rice Hulling Machine

New York Artificial River

Improvement in Making Oil of Vitriol

How the Pyramids Were Built

Roofing the Victoria Bridge


Manufacture of the Otto of Roses

A Column of Interesting Varieties

To Cleanse Wool for Home Use

Safety for Steamboats

Sugar-Cane Mills

Improved Broadcast Seeding Machine

The Old Earth

Navigating the Air

Hard India-Rubber

Deflection of Girders Under Different Speeds

Richard Cobden & American Mechanics

Steam Boiler Explosions

The Cotton Crop

Weekly Summary of Inventions

Foreign Summary—Metals and Markets

Patent Claims

Issued from the United States Patent Office

New Falling Rack for Mangers

Improved Life-Saving Raft

Large Specimens of Titanium


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    Notes and Queries

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September 17, 1859

20% Sitewide for President's Day