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Features

Water Filterer for Steam Engines

Couplings for Cars

Curiosity

Reaping Machine

Grinding Tools

New. Pon Honor

Laugh, Lady, Laugh

An Industrious Woman

What is Doing on the “Great Father of Rivers.”

Forgers

Curious Fact

Scarcity

Accident to a Professor of Chemistry

Love-Letter Ink

Late from Mexico

Copper Ore

San Pedro Expedition

A New Manufacturing Company

Mechanics Mutual Protection

Interesting Geological Discoveries

Ether

Copper From the Sault

Pennsylvania Coal

A Humbug Exploded

Something New

Shipment of Bread Stuffs

Another Comet

Home Manufacture for Foreign Use

The Sun and Moon in Danger

Shingle Palace

Wonderful Cave

Free Navigation of the St. Lawrence

An Earthquake at Glen's Falls

The Mexican Plough

Beneficial Effects of Ventilation

Lamp and Candle Flame

The Discoverer of the Drummnond Light

Archimedes

Light

Wonders of Nature

The Broken Heart

Chalk and Coal Fires

Motion of Comets

The Way to Grow Big

Cure for Deafness

A Curious Discovery in Natural History

Fire Clay Alum

Sailing Trunk

Atmospheric Tides

New Style of Carpets

New Boiler Feeder

India Rubber Springs for Carriages

Hedge's Corn Sheller

Wrought Iron Tube Machine

Improved Passenger Car

New Spring Awl

Musical Instruments

New Wagon Springs

Blast Lathe

Bee Hive

New Life-Buoy

Western Railroad

Mental Developement

War Steamers

Exploring Expedition

Arch Head

Locusts

To New Subscribers

Discovery of a New Cave

Middletown, Ct. Manufactures

Grand Rapids Michigan

Carbonic Gas

Uniformity in the Universe

Walking and Riding

Foreign Items

Spontaneous Combustion

Elllicott's, Harper's Ferry, Wheeling, &C

Cobre Copper Mines

The Women of California

Singular Accident to a Snipe

Heroism in a Child

The Perils of Mining

Carmen

New Telegraph Lines

Columbian Magazine

Literary Notices

Union Magazine

Making Brick by Machinery

Wyeth, the Artist

Landscape Painting on Walls of Rooms

Electric Incandescence of Charcoal Points

Recipes

Assaying Metals

Microscopic Wonders

Daguerrotyping Lightning

Scientific American

Magic Mirrors

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    To Correspondents

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July 31, 1847

Confronting Common Wisdom