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Water Purifier for Steam Boilers

Great Steamship Launched

Bursting of Knipp's Steel and Iron Cannon


Frantz's Wind Mill

Recent Foreign Inventions

French Single Horizontal Steam Engines

Granite Dust

Prince Albert on Science and Common Sense

English Scientific Journal

Terrible Effects of Conical Balls

Colt's Pistols

Death of A. H. Simmons, of the Philadelphia Ledger

Improvement in Billiard Tables

Sugar Crust in Pans

Explosion of a Steam Fire Engine

Test of the Vergennes Scales

New Year's Presents

A Candidate for Public Charity

Porter's Stone Dressing Machine

Defects of the Granite Pavement

Loughridge's Patent Car Brake

New Shoal Near New York Harbor

A Fact for Farmers

Arithmetical Improvement

Artificial Manures

Pure and Impure City Water

British Association for the Advancement of Science.--No. 4

Important Items

Purifying Cotton Seed for the Manufacture of Oil and Oil Cake

Heath's Patent Reaper

Quartz Ware

The Dhoora or Indian Millet

Power of Steam Under Great Pressure

Fumigating Paper

Great Feat in Ascending an Inclined Rope



  • Letters

    To Correspondents

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