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Features

Improved Camera Obscura, New Products and New Fields for Northern Labor, and More

Discoveries and Inventions Abroad

Curious Inventions of Ancient Times

Miscellaneous Summary

Valuable Receipts

Auto-Typography

The Value of Small Patents

Fisher's Patent Horse Collar

A Demand for Improvements-Bring Out Your Inventions!

Working-Beam Engines

The Construction of Armor Steamships

Strike at Eminence!

Cryolite--Aluminum Minerals

Double-Screw Steamers

Magnetic Storms

Patent Claims

Issued from the United States Patent Office

Recent American Patents

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  • Notes and Queries

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June 06, 1863

See the World from a Different Perspective

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