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Action of Light on Muscular Fiber

The Zodical Light

Sendzimir's Submarine Thoroughfare

Letters Carried by the Mails



Remedial Agents--Calomel

Price of Post Office Orders

More on the Speed of Mill Stones

List of Patent Claims

Instability of the Earth

Complimentary Notice

Combined Steam--Wethered System

The Divining Rod Again

Shot Manufacture

Patented Articles and the Pedler Laws

Mammoth Cave--The Bottomless Pit

Horse Power of Engines

Contagion and Quarantine


Milk as a Manufacturing Ingredient

Broughton's Sash Fastener

Exhibition of the Metropolitan Mechanics' Institute, Washington, D. C

The Adriatic

Iron Architecture


Explosion of the Locomotive Hecla--Its construction

Domes on Steam Boilers

Lowering Boats at Sea


Inventors, and Manufacturers

Sugar Gunpowder


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    April 04, 1857

    20% Sitewide for President's Day