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Features

Improved Time Register for Velocipedes, Etc, Improvement in Mill Bushes, and more

The French Atlantic Telegraph

Charles Reade on “Life Labor and Capital”

Spanish Protestant Church Proposed to be Built at Madrid

Railway Plant—Sleepers, Ties, and Clips

The Manufacture of Sulphuric Acid

Heat from the Moon

Improvement in Bits for Horses

On the Supposed Action of Light on Combustion

By Charles Tomlinson

Improvement in Detachable Calks for Horse-Shoes

The Education of the Hand

A New Method of Setting Tires

The Measurement of Heat with the Thermometer

Depression in American Commerce

Close of the Fair of the American Institute

Applications for Extension of Patents

Answer to Correspondents

Recent American and Foreign Patents

Manufacturing, Mining, Railroad Items

Official List of Patents

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Science or SciFi?

Science or SciFi?

Vanishing Particles. Spooky Action.