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Features

New York Crystal Palace for the Exhibition of Industrial Products

Fair of the American Institute

A New Kind of Brick

Gold Deposits in Canada

On Rainbow Colors

Preservation of Timber

Printing Types

A New Styptic

Hanley's Castors for the Legs of PianofortesTables &c

New Bun Cutting Machine

New Corn Planter

Piston Packing

Car and Portable Railroad

Portable Mills

Switzer's Screwdriver

City Railroads

Machine for Sweeping Streets

Magnetic Balloon Ascent

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"The Niagara Mail" vs. "Scientific American"

Important Patent Cases

New York City

Poisonous Chloroform—Tests for its Purity

Submarine Telegraph

Colored Daguerreotypes

Large Boilers

Patent Claims

Patent Laws and Guide to Inventors

Prizes

Back Numbers and Volumes

Cheap Postage—Important to Subscribers

Mining Machinery

Mechanics

Hobbs and Chubb Again

Race of Clippers from Canton

The Hillotype

Departments

  • From the Editor

    To All Whom It May Concern

  • To Correspondents

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October 23, 1852

Beyond XX and XY

Biology. Identity. Equality.