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Features

Improved Air-Pump

The Inventor of Iron-Clad Vessels

A Lecture on the Iron Navy of Great Britain

Applications for the Extension of Patents

Boating Oil to Market--A “Pond Freshet”

Destructive Effects of Iron Rust

Preventing Waste of Heat in Boilers

How to Use Callipers

Gun Cotton for Artillery

Human Vegetation

Surface Condensers of Marine Engines

Paying Workmen With Orders

California Items

Valuable Work for Inventors, Patentees and Manufacturers

Miscellaneous Summary

Patent Claims

Valuable Receipts

Recent American Patents

To Our Readers

Field's Improved Ice-Creeper

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February 07, 1863

Think Outside the Gift Box