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New Steamboat Law

Power-Accumulating Windmill

Discoveries in the Composition of Gums

The Obstruction to the Navigation of Rivers Caused by the Piers of Bridges

By J. W. Sprague

Science among the Boys

Can we See our Own Eyes?

Steam Plowing in Texas

Iron Combination Beams for Buildings

Heat in Photography

Glaziers' Diamonds for Millstones

New Jersey Copper

The London Fire-Escape

The Dishonesty of English Traders and Manufacturers

The Dictionary Controversy

An Inventor Sensitive about His Name

The Value and Usefulness of Railroads

The Largest Vacuum Pan in the World

The California Philosopher and His Steel Billiard Ball

Snakes

Etching on Steel

Trial of Locomotives in South America

An Improvement in Paper Manufacture

"Wanted--A Cotton Gin!"

Polytechnic Association of the American Institute

A Column of Varieties

Feathering Paddle Wheels

Improved Horse Rake

Improved Hay-Making Machine

Fire-Escapes

Presentation of a Gold Snuff-Box to an Inventor

Our Correspondence - April 14, 1860

Novel and Exciting Sport

Howe's Sewing Machine Trial

Childrens' Confidence--How they should be Treated

American Naval Architecture

Weekly Summary of Inventions - April 14, 1860

Foreign News and Markets - April 14, 1860

Patent Claims - April 14, 1860

Issued from the United States Patent Office

Remarkable Discovery at Rome

New Mode of Converting Reciprocating Rectilinear into Rotary Motion

Recent Discoveries in Electricity

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    Notes and Queries - April 14, 1860

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April 14, 1860

See the World from a Different Perspective

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