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Features

Ventilation of Railroad Cars, &C

Hard Cement

Patent Flax-Dressing Machine

A Yankee over the Crater

Fire-Cracker Nuisance

Home Sweet Home

Iron Structures—Oriental Style

Lepidopterous Insects

Recent Erected Houses

Scientific Memoranda

New Galvanic Battery

To Make Hard Water Soft

Telegraph and Steam

Consumption

Neatness in Holland

On Plastering

Ship Navigation to Albany

Signal Lights for Railroads, and Stopping of Trains

A Good Cement

Deafness and Blindness

Electro-Magnetism to Give Adhesion to the Wheels of Locomotives

Improved Seed Planter

Improvement in Filing and Gumming Saws

Music by the Magnetic Telegraph

Siriking Action of Pianofortes

Smut Machine

Spindles for Mill Stones

Syracuse Salt

Accidents

An Afflicting Accident

Are Lizards Poisonous?

Sewing Machines

The Climates of Countries

The Electrical Properties of Flame—Light

The Exhumed Macadamized Road

The Great Balloon

Thunder Storms, Electrical Phenomena

Extension of a Patent

List of Patent Claims

Sal Ammoniac

Snake Bites

Back Numbers and Volumes

Patent Laws, and Guide to Inventors

A Botanical Curiosity

Source of the Nutritious Property of Vegetables

How to Pack Firkin Butter

Electric Batteries

Chemistry and Medicine

Departments

  • From the Editor

    Erratum

  • To Correspondents

  • An Important Paragraph

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July 17, 1852