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Burdick's Flask Lock

Improved Steam Boiler, Gun-Cotton and More

Fairbairn on Steam Boilers

Patent Office Reports for 1863

A Handy Tool

Boring Tools

Recent American Patents

Public Taxation

American Rifle-Shooting

A New Textile Fiber

The Mysteries of Iron

The Monitors

Miscellaneous Summary

The Hecker and Waterman Experiments


Patent Claims

Issued From the United States Patent-Office for the Week Ending .July 19, 1864. Reported Officially for the Scientific, American

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July 30, 1864

20% Sitewide for President's Day