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Preserving Summer Fruits

Railroad News

Pitcher's Hydraulic Motion Regulator

The Mind That Makes the Man

Panama Railroad

Travel Cheapened

Good Deeds

Composition of Wheat



Cutting Telegraph Wires

Strange Calculation

An Earthquake

Newly Invented Tinting Tablets

Fire by Friction

Crocodile's Age

Stopping Newspapers

Singular Preservation of a Glass Jar

To Make Drawn Butter

The Cholera

Black Lead

Serious Railroad Accident

A Singular Lake

Ocean Navigation Through the St. Lawrence River Still Interdicted

Things Lost Forever

Best Currant Wine

Obligation to Brutes

The Secret of Diligence

Effects of Opium

Singular Prophecy

Physiology of Vision

Embroidery.--Hand and Power

Remedies Against the Cloth Moth

Contraction and Expansion

Labor Saving Soap

Improvements in Steam Boilers

Apparatus for Raising Water from Deep Mines

Machine for Making the Copper Type

New Rotary Engine

New Railroad Car Coupling

New Fire Arms

To Sweeten Bread Without Sugar

Dr. Comstock on Atmospheric Electricity

Sonth Carolina Cotton Crop

Natural and Artificial Springs

Professor Farraday and Lightning Rods

Honorable Plunderers

Mummy Cloths

Printers in Philadelphia

Mosaic Art

The Arts in England--Painting and Water Color

Never Too Late to Learn

The Inventor of the Propeller

Limestone Rock

Isthmus of Panama

The Eye

The Daring of Genius

List of Patents


The Best Mechanical Paper

Brown Hard Spirit Varnish

Pale Brass Lacquer

To make Linen, Cotton and Woolen Cloth Waterproof

Gold Lacquer

The Use of Oxygen in Reducing Metals

Electro Painting

Red Spirit Lacquer


  • From the Editor

    To Correspondents

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August 11, 1849

Confronting Common Wisdom