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Are Angulated Armor Plates of Any Use?

Improved Saw Bench

To Render Glazed Roofs Waterproof

Printing in Colors

On For Smelting Iron

Coal Tar Perfume

Sorghum Sugar--Convention of Cultivators and Others

Miscellaneous Summary

Luable Receipts

Applications for the Extension of Patents

Fattening of Poultry

The Mineral Riches of the Lake Superior Region


To Our Friends

Now is the Time to form Clubs

Architects--Light and Ventilation

The Wonders of the Globe

The Comparative Social Standing of Mechanics Throughout the World

Homes for Men of Moderate Incomes

Seventeen Thousand Patents Secured Through Our Agency

An Important Fact

Donald Mckay on the French Navy

Screw-Cutting Lathes

Patent Claims

Recent American Inventions

To Our Readers

Patents for Seventeen Years

Important to Inventors

Sprague's Patent Lever Buckle

New Prospectus of the Scientific American


  • Departments


  • Notes and Queries

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January 10, 1863

Science for the Modern World