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Features

Circular Saw without an Arbor, and Improvement in Teeth of Circular Saws

Alligator Skins

Gold Pens

Mastic Cement

Biography of Berthollet

Wadding and Batting Machinery

The Greek of Homer a Living Language

Agassiz and Humboldt

Daguerreotyping

The Moose

Atmospheric Hammer

Spots on the Sun and Magnetic Variations

Machinery and Tools as They are—Rolling Presses

Caloric Steamship

Safety Steam Boiler

Another Press

Heating and Ventilating Buildings

Soap Cutting Machine

Impoved Metal Tubes

Improved Cotton Press

Improved Trip Hammer

The Inauguration

Events of the Week

Paint for Coating Wire Work

Stuart's Naval and Mail Steamers of the United States

Railroad to the Pacific

What of the Railroad Prizes?

Riddle's Report of the Great Exhibition

Depth of the Ocean

Miscellaneous News of the Week

Extension of a Patent

Farmer's Improved Sustaining Battery

Light for Churches and Lecture Rooms

Mechanics

Ericsson on “the Ericsson;” Stirling on “Stirling”

Departments

  • From the Editor

    To Our Readers

  • To Correspondents

  • Recommended

    A Chapter of Suggestions, &c

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