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Features

Improved Shingle and Barrel-head Sawing Machine, Torpedo Experiments in England

Utilization of Refuse Matter

Bridge Building--The Bridge of the Hart Ford, Springfield and New Haven Railroad over the Connecticut

Miscellaneous Summary

Cipher Writing

Nitro-Glycerin Again--How to Make it Safe

By Charles A. Seely

Jacob's Safety Gas Valve

Gleanings Form the Polytechnic Association

Jones's Bench Vise

Special Notices

New Publications

Adoption of the Metric System

System a Means of Economy

End of Volume XIV

Patent Claims

Issued from the U. S. Patent Office

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June 16, 1866

Think Outside the Gift Box