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Features

Manufacture of Coke

Sorgho, or Chinese Sugar Cane

Profitable Mining

Hoard & Wiggins' Trap Valve

Electrical Phenomena

Tilton's Stalk Cutter

How to make Soda Ash

Pressure upon Fish

Improvement in Distillation

Sprain Cured by Manipulation

Improved Dynamometer

Important Surveying Expedition

Harrison's Double-Acting Force and Lift Pump

A New Tinning Alloy

Horseshoeing

A Prize Architectural Association

Steam Navigation and John Fitch

Sun Stroke

Putrefactive Poisons

Recent Patented Improvements

Steam Boilers and Furnaces

Razor Paper

Improvement in Harness Trees

Goodwin's Fruit Gatherer

All Animals Can Talk

How Gold Lace is Made

Metallic Compound

Important Improvement in Bank Note Printing

Mechanics

Lord's Perch Coupling

Departments

  • Letters

    Correspondents - July 24, 1858

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Why We Need Our Zzzs

Why We Need Our Zzzs

Vital for Memory, Mood and More