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Features

Old Canals of Egypt

Wade's Patent Spark Arrester

Orange Flower Soap

Starkey's Soap

Cinnamon Soap

The Locust Has To Sing

Lowell Mechanics' Fair

Windsor Soap

The Great Industrial Exhibition and Incidents Connected Therewith

Transparent Soaps

Soap an Boquet

Musk Soap

Soap a la Role

Bitter Almond Soap

Electro-Magnetism as a Moving Power

Natural Soap in New Mexico

Iron Ore in Essex County, N. Y

Floating of Rafts

Machine for Printing Oil Cloth

Improvement in Carriage Springs

Machine for Employing the Water-Power of Rivers

Improved Pump

Electro-Magnetic Fire Alarm

Gold Hunters

Tanning Notice

Fire Annihilator

Ruttan's System of Ventilation

Application for Extensions of Patents

Crystal Palace for Sale

Patents

Scarlet Fever

Practical Remarks on Illuminating Gas

List of Patent Claims

To Quell Fire

Back Numbers and Volumes

New Edition of the Patent Laws

Post Office Stamps

Patent Claims

Cotton Factories South and West

The Screw for Steamers

Area of the English Coal Mines

Sounding the Gulf Stream

Immense Coal Bed

Solar Influence

Hydraulics

Charcoal

To Preserve Vegetable Matters for Exportation, &C

Mechanics

Ingenious Invention

Departments

  • From the Editor

    To Correspondents

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June 21, 1851

20% off for Memorial Day