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Diamonds in Australia

Starrucca Viaduct, on the New York and Erie Railroad

Scientific Memoranda

More about the California Nutmeg

Cure of Rheumatism

Telegraph Statistics

Railroad Items

The British Government and Steam Navigation

Foreign Correspondence

Maryland Mechanics' Institute

Fish Stories

Magnificent Spectacle

Honor to America

California Quicksilver

Layard, the Traveller, and the Mechanics of Northampton

Snake Plant of South America

Great Cave in California

Improvement in Permanent Moulds for Casting

Improved Method of Securing Circle Plates

Cutting Mouldings and Ornamental Work in Stone

Mr. Bond's Astronomical Clock

Knitting Machine

Improved Grain Thrasher

Improvement in Watch Swivels

Improvement in Operating Table Leaves

Improved Extension Ladder

Discovery of Silver in New Mexico

To Mend Iron Pots and Pans

Improved Rat Trap

Mechanics' Strikes

The Propeller Case—International Patent Law

The Geometric Transfer

The Aztec Children

California Quartz in England

Cure for the Rheumatism

List of Patent Claims

Tennessee and Railroads


Life in the Polar Regions

Mobile and Ohio Railroad

Printing Letters

Indiana Railroads

An Important Paragraph

Back Numbers and Volumes

New Arrangement

A Predicament and Escape on a Railroad


Homestead Law in New Jersey

Origin of Tea

On Boilers--No. 11

Caloric, or Latent Heat


  • From the Editor

    To Correspondents

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February 07, 1852

Confronting Common Wisdom