New Steamboat Law

Power-Accumulating Windmill

Science among the Boys

Discoveries in the Composition of Gums

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

Can we See our Own Eyes?

Iron Combination Beams for Buildings

Glaziers' Diamonds for Millstones

Heat in Photography

Steam Plowing in Texas

The Dictionary Controversy

The Dishonesty of English Traders and Manufacturers

New Jersey Copper

The London Fire-Escape

An Inventor Sensitive about His Name

The Largest Vacuum Pan in the World

Snakes

Etching on Steel

The California Philosopher and His Steel Billiard Ball

The Value and Usefulness of Railroads

Trial of Locomotives in South America

"Wanted--A Cotton Gin!"

An Improvement in Paper Manufacture

A Column of Varieties

Polytechnic Association of the American Institute

Improved Horse Rake

Feathering Paddle Wheels

Improved Hay-Making Machine

Fire-Escapes

Novel and Exciting Sport

Our Correspondence - April 14, 1860

Howe's Sewing Machine Trial

Presentation of a Gold Snuff-Box to an Inventor

Foreign News and Markets - April 14, 1860

Weekly Summary of Inventions - April 14, 1860

Childrens' Confidence--How they should be Treated

American Naval Architecture

Remarkable Discovery at Rome

Patent Claims - April 14, 1860

Issued from the United States Patent Office

Recent Discoveries in Electricity

New Mode of Converting Reciprocating Rectilinear into Rotary Motion