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Diamonds in Australia

Starrucca Viaduct, on the New York and Erie Railroad

Fish Stories

Foreign Correspondence

The British Government and Steam Navigation

Railroad Items

Cure of Rheumatism

Scientific Memoranda

Telegraph Statistics

Magnificent Spectacle

Maryland Mechanics' Institute

More about the California Nutmeg

Great Cave in California

Honor to America

California Quicksilver

Snake Plant of South America

Layard, the Traveller, and the Mechanics of Northampton

Mr. Bond's Astronomical Clock

Improved Extension Ladder

Improved Grain Thrasher

Improved Method of Securing Circle Plates

Improvement in Operating Table Leaves

Improvement in Permanent Moulds for Casting

Improvement in Watch Swivels

Cutting Mouldings and Ornamental Work in Stone

Knitting Machine

Discovery of Silver in New Mexico

Mechanics' Strikes

California Quartz in England

The Aztec Children

Improved Rat Trap

The Geometric Transfer

To Mend Iron Pots and Pans

The Propeller Case—International Patent Law

Life in the Polar Regions

Tennessee and Railroads


Cure for the Rheumatism

Printing Letters

Indiana Railroads

List of Patent Claims

Mobile and Ohio Railroad

New Arrangement

Back Numbers and Volumes

An Important Paragraph

On Boilers--No. 11

A Predicament and Escape on a Railroad


Caloric, or Latent Heat

Origin of Tea

Homestead Law in New Jersey


  • From the Editor

    To Correspondents

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February 07, 1852