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The Hawk-Eye Double Zig-Zag Oat and Grain Separator, Labor of Original Thinking, and More

Miscellaneous Summary

Iron Rafts for Harbor Defense

The New Torpedo in Charleston Harbor

Plans for Cooling Water

The Motion of the Moon Among the Stars

Applications for the Extension of Patents

The Philosophy of a Dry North-Easter

Cataract Cured Without Instrumental Operation

The Body and the Mind

Decorating Machinery

New Blue Color Wanted

Resistance of Armor Vessels

Revelations of the Microscope

The Sun's Path Among the Stars

Cost of Modern Navies

A Good Machine Oil

Power to Drive Circular Saws

Recent American Patents

Patent Claims

Issued from United States Patent Office

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